CA2550790A1 - Inkjet printer unit having a high speed print engine - Google Patents

Inkjet printer unit having a high speed print engine Download PDF

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Publication number
CA2550790A1
CA2550790A1 CA002550790A CA2550790A CA2550790A1 CA 2550790 A1 CA2550790 A1 CA 2550790A1 CA 002550790 A CA002550790 A CA 002550790A CA 2550790 A CA2550790 A CA 2550790A CA 2550790 A1 CA2550790 A1 CA 2550790A1
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CA
Canada
Prior art keywords
ink
cartridge
printhead
assembly
unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002550790A
Other languages
French (fr)
Other versions
CA2550790C (en
Inventor
Kia Silverbrook
Akira Nakazawa
Christopher Hibbard
Paul Ian Mackey
Norman Micheal Berry
Garry Raymond Jackson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Silverbrook Research Pty Ltd
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CA2550790A1 publication Critical patent/CA2550790A1/en
Application granted granted Critical
Publication of CA2550790C publication Critical patent/CA2550790C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J25/00—Actions or mechanisms not otherwise provided for
    • B41J25/34—Bodily-changeable print heads or carriages
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/015—Ink jet characterised by the jet generation process
    • B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
    • B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
    • B41J2/04501—Control methods or devices therefor, e.g. driver circuits, control circuits
    • B41J2/04541—Specific driving circuit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/015—Ink jet characterised by the jet generation process
    • B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
    • B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
    • B41J2/04501—Control methods or devices therefor, e.g. driver circuits, control circuits
    • B41J2/04543—Block driving
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
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    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/015—Ink jet characterised by the jet generation process
    • B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
    • B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
    • B41J2/04501—Control methods or devices therefor, e.g. driver circuits, control circuits
    • B41J2/0458—Control methods or devices therefor, e.g. driver circuits, control circuits controlling heads based on heating elements forming bubbles
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B41J2/01—Ink jet
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    • B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
    • B41J2/04501—Control methods or devices therefor, e.g. driver circuits, control circuits
    • B41J2/04585—Control methods or devices therefor, e.g. driver circuits, control circuits controlling heads based on thermal bent actuators
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
    • B41J2/04501—Control methods or devices therefor, e.g. driver circuits, control circuits
    • B41J2/04591—Width of the driving signal being adjusted
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B41J2/145—Arrangement thereof
    • B41J2/155—Arrangement thereof for line printing
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B41J2/1623—Manufacturing processes bonding and adhesion
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/135—Nozzles
    • B41J2/16—Production of nozzles
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    • B41J2/1628—Manufacturing processes etching dry etching
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B41J2/01—Ink jet
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    • B41J2/1632—Manufacturing processes machining
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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Abstract

An inkjet printer unit (2) comprising: a media input tray (3) for supplying print media (8) for printing; a print engine (1) for printing an image on said print media; and a media output tray (4) for collecting the printed media;
wherein the print engine comprises a removable inkjet cartridge (10) of a type having a pagewidth printhead (22) and an ink supply (24) and a cradle (12) having a body adapted to receive the removable inkjet cartridge and to control the operation of the printhead for printing.

Claims (332)

1. An inkjet printer unit comprising:
a media input tray for supplying print media for printing;
a print engine for printing an image on said print media; and a media output tray for collecting the printed media;
wherein the print engine comprises a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply and a cradle having a body adapted to receive the removable inkjet cartridge and to control the operation of the printhead for printing.
2. An inkjet printer according to claim 1, wherein the cradle is configured to be secured to the inkjet printer to receive print media from the media input tray and to deliver printed media to the media output tray.
3. An inkjet printer according to claim 2, wherein the cradle includes a media transport mechanism for transporting the print media from the media input tray to the printhead for printing, and from the printhead to the media output tray for collecting the printed media.
4. An inkjet printer according to claim 3, wherein the media transport mechanism comprises a drive roller assembly and an exit roller assembly.
5. An inkjet printer according to claim 4, wherein the body defines a recess to receive the removable inkjet cartridge.
6. An inkjet printer according to claim 5, wherein the cradle comprises a controller for controlling the operation of the printhead to facilitate printing.
7. An inkjet printer according to claim 6, wherein a plurality of terminals are located along the length of the body to contact corresponding terminals located along the length of the removable inkjet cartridge to enable electrical communication between the controller and the cartridge.
8. An inkjet printer according to claim 7, wherein the plurality of terminals are located within said recess.
9. An inkjet printer according to claim 8, wherein the controller is in the form of electrical circuitry provided on a printed circuit board, and the plurality of terminals are formed along a surface of the printed circuit board.
10. An inkjet printer according to claim 9, wherein the controller includes one or more SoPEC devices for controlling the operation of the printhead.
11. An inkjet printer according to claim 9, wherein the electrical circuitry is provided upon one surface of the printed circuit board and the plurality of terminals are provided upon an opposite surface of the printed circuit board.
12. An inkjet printer according to claim 11, wherein the electrical circuitry sends electrical signals in the form of data and power signals to the plurality of terminals for transmission to the corresponding terminals on the removable inkjet cartridge.
13. An inkjet printer according to claim 12, wherein the pagewidth printhead of the removable inkjet cartridge has a plurality of nozzles arranged in use to deliver the ink onto the passing print media and the corresponding terminals are provided on an electrical connector which is in electrical communication with the nozzles of the printhead assembly and disposed along the length of the printhead assembly.
14. An inkjet printer according to claim 13, wherein the plurality of nozzles are provided on one or more integrated circuits extending substantially the length of the printhead assembly.
15. An inkjet printer according to claim 14, wherein each integrated circuit has one or more contact pads formed along an edge thereof to which one end of the electrical connector is attached.
16. An inkjet printer according to claim 15, wherein the free end of the electrical connector is provided with the corresponding terminals for receiving power and/or data signals from the controller of the cradle.
17. An inkjet printer according to claim 16, wherein the electrical connector is of sufficient length and flexibility to extend around the printhead assembly.
18. An inkjet printer according to claim 17, wherein the free end of the electrical connector is configured to be received along a surface of the cartridge when the printhead assembly is secured thereto.
19. An inkjet printer according to claim 18, wherein the free end of the electrical connector has a plurality of holes formed therein, each of the holes configured to receive a stud formed on the surface of the cartridge to retain the free end of the electrical connector in position upon said surface.
20. An inkjet printer according to claim 19, wherein when the free end of the electrical connector is retained in position upon the surface of the cartridge, the corresponding terminals are exposed upon the surface of the electrical connector.
21. An inkjet printer according to claim 20, wherein the electrical connector is a flexible printed circuit board.
22. The inkjet printer unit according to claim 1, wherein the cradle is configured to be secured to the inkjet printer to receive print media from a media input tray and to deliver printed media to a media output tray.
23. The inkjet printer unit according to claim 1, wherein the cartridge comprises:
a body portion having one or more ink storage compartments; and a pagewidth printhead assembly mountable to said body and configured to receive ink from the one or more compartments and to distribute the ink along the length of the printhead assembly.
24. The inkjet printer unit according to claim 1, wherein the cartridge comprises :
a body portion having one or more ink storage compartments;
a pagewidth printhead assembly mountable to said body portion and configured to receive ink from the one or more compartments for printing; and a capper unit mountable to said body portion so as to extend along the length of the printhead assembly, the capper unit housing a capping element which is movable with respect to the capper unit to contact a surface of the printhead assembly.
25. The inkjet printer unit according to claim 1, wherein the cartridge comprises a body portion housing one or more role storage compartments;
a pagewidth printhead assembly configured to receive ink from the one or more ink storage compartments and having a plurality of nozzles arranged in use to deliver the ink onto passing print media;
and an electrical connector in electrical communication with the nozzles of the printhead assembly and disposed along the length of the printhead assembly for mating with a corresponding connectors of the inkjet printer to control operation of the nozzles.
26. An inkjet printer unit according to claim 1, wherein the cartridge comprises:
a body portion having a plurality of ink storage compartments; and a pagewidth printhead assembly configured to receive ink from ink storage compartments and distribute said ink to a plurality of nozzles arranged in use to deliver the ink onto passing print media;
wherein the ink storage compartments comprise an absorption material which stores the ink therein under capillary action for supply to the nozzles of the printhead assembly.
27. An inkjet printer unit according to claim 1, wherein the pagewidth printhead is included in a pagewidth printhead assembly further comprising:
a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;

a plurality of integrated circuits extending the length of the printhead assembly, each integrated circuit having a plurality of nozzles formed in rows thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which the integrated circuits are fixed and which distributes the ink from the body portion to the nozzles of the integrated circuits;
wherein the integrated circuits are aligned in an abutting arrangement across the length of the ink distribution member.
28. An inkjet printer unit according to claim 1, wherein the pagewidth printhead is included in a pagewidth printhead assembly further comprising:
a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles formed thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which the or each integrated circuit are fixed and which distributes the ink from the body portion to the nozzles of the or each integrated circuit;
wherein the body portion has one or more connectors formed thereon for securing the printhead assembly to the one or more ink sources to facilitate role flow therebetween.
29. An inkjet printer unit according to claim 1, wherein the pagewidth printhead is included in a pagewidth printhead assembly further comprising:
a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles formed thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which the or each integrated circuit is fixed and which distributes the ink from the body portion to the nozzles of the or each integrated circuit;
wherein an electrical connector in electrical communication with the or each integrated circuit extends along the length of the printhead assembly for mating with a corresponding electrical connector of the inkjet printer.
30. An inkjet printer unit according to claim 1, wherein the pagewidth printhead is included in a pagewidth printhead assembly further comprising:
a body portion for receiving ink from one or more ink sources and having one or more channels formed therein for distributing the ink substantially along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which the or each integrated circuit is fixed and which distributes the ink from the body portion to each of the integrated circuits;
wherein the ink distribution member is a unitary element having a plurality of conduits formed therethrough, each of the conduits having an inlet which receives ink from one of the channels of the body portion and an outlet which delivers the ink to a predetermined number of nozzles of the one or more integrated circuits.
31. An inkjet printer unit according to claim 1, wherein the pagewidth printhead is included in a pagewidth printhead assembly further comprising:
a body portion for receiving ink from one or more ink sources and having one or more channels formed therein for distributing the ink substantially along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, each integrated circuit having a plurality of nozzles, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which each integrated circuit is fixed and which distributes the ink from the body portion to each of the integrated circuits;
wherein the ink distribution member comprises a first layer which directs the ink from the one or more channels of the body portion for delivery to each integrated circuit, and a second layer attached to said first layer for receiving and securing each integrated circuit in a position to receive the ink from the first layer.
32. An inkjet printer unit according to claim 1, the unit having a capping assembly for capping the pagewidth printhead, the capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body and movable with respect to the body to cap at least a portion of said printhead ;
wherein, the body includes a mounting element for removably mounting said capping assembly to said printhead.
33. An inkjet printer unit according to claim 1, the unit having a capping assembly for capping the pagewidth printhead, the capping assembly comprising a body configured to extend the length of the printhead; and a capping element housed within said body, said capping element having a rim portion adapted to cap at least a portion of said printhead ;
wherein, the capping element is movable with respect to said body between a first and a second position, said first position being where said rim portion extends from said body, and said second position being where said rim portion is contained within said body.
34. An inkjet printer unit according to claim 1, the unit having a capping assembly for capping the pagewidth printhead, the capping assembly comprising:

a body configured to extend the length of the printhead; and a capping element housed within said body and movable with respect to said body between a first and a second position, said first position being where a portion of the capping element extends from said body, and said second position being where said capping element is contained within said body;
wherein, the capping element is biased into said first position.
35. An inkjet printer unit according to claim 1, the unit having a capping assembly for capping the pagewidth printhead, the capping assembly comprising a body configured to extend the length of the printhead;
a capping element housed within said body and having a rim portion adapted to cap at least a portion of the printhead;
a displacement assembly housed within the body for moving the capping element between a first position where the rim portion of the capping element extends from said body, and a second position where the rim portion of the capping element is contained within the body;
wherein, the displacement assembly is controlled by an electromagnet which determines the position.
36. An inkjet printer unit according to claim 1, wherein the body of the cradle is complementary to the removable inkjet cartridge, the cradle further comprising a controller for controlling the operation of the printhead to facilitate printing,and, wherein a plurality of terminals are located along the length of the body to contact corresponding terminals located along the length of the removable inkjet cartridge to enable electrical communication between the controller and the cartridge.
37. An inkjet printer unit according to claim 1, wherein the body of the cradle is complementary to the removable inkjet cartridge and the cradle further comprises:
a controller, for controlling the operation of the printhead to facilitate printing, and a plurality of terminals in electrical communication with said controller for transmitting control signals from said controller to corresponding terminals provided on said cartridge, and wherein said plurality of terminals are arranged to pivotally engage with said corresponding terminals provided on said cartridge when said cartridge is received by said body.
38. An inkjet printer unit according to claim 1, wherein the cradle is a cradle unit comprising:
a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead and a refillable ink supply; and a controller for controlling the operation of the printhead to facilitate printing;
wherein, said body includes a cover assembly for enclosing the removable inkjet cartridge within the body, said cover assembly having at least one port formed therein through which a refill unit is received for refilling the ink supply of the cartridge.
39. An inkjet printer unit according to claim 1, wherein the cradle is a cradle unit comprising:
a body complementary to the removable inkjet cartridge and configured to receive a refill unit for supplying refill ink to the cartridge, the body having a refill actuator for dispensing ink from said refill unit into said refillable ink supply, and a controller for controlling the operation of the printhead to facilitate printing.
40. An inkjet printer unit according to claim 1, wherein the cradle is a cradle unit comprising a body complementary to the removable inkjet cartridge and having an electromagnet assembly mounted thereto which is controlled by said controller for operating said capper assembly of the removable inkjet cartridge, wherein the cradle further comprises a controller for controlling the operation of the printhead to facilitate printing.
41. The inkjet printer unit of claim 1, the unit further comprising a cover assembly for the cradle, the cradle having a body, complementary to the removable inkjet cartridge, and a controller for controlling the operation of the printhead to facilitate printing;
wherein the cover assembly comprises at least one port formed therein through which a refill unit is received for refilling the ink supply of the cartridge.
42. The inkjet printer unit of claim 1, the unit further comprising a cover assembly for the cradle, the craddle having a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply, and a controller for controlling the operation of the printhead to facilitate printing,wherein the cover assembly comprises a refill actuator for dispensing ink from an ink refill unit into said refillable ink supply.
43. The inkjet printer unit of claim 1, the unit further comprising an ink priming system for a cartridge unit of the type having a pagewidth printhead assembly in fluid communication with one or more ink storage compartments, the priming system comprising:
a priming inlet provided on said printhead assembly for receiving a supply of ink for priming the cartridge;
and an ink flow passage providing fluid connection between said printhead assembly and one of the ink storage compartments;
wherein the ink supplied to the priming inlet of the printhead assembly flows from the printhead assembly to the ink storage compartment via the ink flow passage to prime both the printhead assembly and the ink storage compartment with ink simultaneously.
44. The inkjet printer unit of claim 1, the unit further comprising an ink priming system comprising:
a priming inlet provided on said printhead assembly for receiving a supply of ink for priming the cartridge;
an ink flow passage providing fluid connection between said printhead assembly and one of the ink storage compartments; and a bypass flow passage providing additional fluid connection between the ink flow passage and the ink storage compartment;
wherein the ink supplied to the priming inlet of the printhead assembly flows from the printhead assembly to the ink storage compartment via the role flow passage and the bypass flow passage to prime both the printhead assembly and the ink storage compartment with ink simultaneously.
45. The inkjet printer unit of claim 1, the unit further comprising a printing fluid refill cartridge and a printing fluid dispenser for the printing fluid refill cartridge, the fluid dispenser comprising:
a body storing printing fluid having an outlet through which the printing fluid is dispensed; and a selector arranged to select the amount of the printing fluid to be dispensed from the body.
46. A method of refilling a supply of printing fluid in the printing unit according to claim 1, the method comprising the steps of:
removably mounting a dispenser of printing fluid to the printing unit so as to align an outlet of the dispenser with an inlet of a printing fluid storage chamber of the printing unit;
determining an amount of printing fluid needed to substantially refill the printing fluid storage chamber; and selectively dispensing an amount of printing fluid from the dispenser corresponding to the determined amount.
47. The inkjet printer unit of claim 1 further comprising a printing fluid refill cartridge and a dispensing assembly for the refill cartridge, the dispensing assembly comprising:
a body for storing printing fluid having an outlet through which the printing fluid is dispensed; and a plunger arranged to selectively change the storage capacity of the body and expel the printing fluid through said outlet by selective engagement of a movable retaining member with a series of grooves arranged along a surface of the plunger, thereby dispensing a selected amount of printing fluid from the outlet.
48. The inkjet printer unit of claim 1 further comprising a system for controlling refilling of a print engine by a printing fluid refill unit, the system comprising:
an information storage element incorporated in the refill unit for storing information on the amount of printing fluid contained in the refill unit; and an information reader incorporated in the print engine for reading the information stored by the storage element when the refill unit is mounted to the print engine and for controlling the refilling of the print engine with the printing fluid contained in the refill unit based on the information read.
49. The inkjet printer unit of claim 1 having a printing fluid refill unit for the print engine, the refill unit comprising an information storage element for storing information on the amount of printing fluid contained in the refill unit and for connecting with an information reader incorporated in the print engine for reading the information stored by the storage element when the refill unit is mounted to the print engine, wherein the information stored by the storage element enables the reader to control the refilling of the print engine with the printing fluid contained in the refill unit.
50. A method of controlling refilling of the printing unit according to claim 1 by a printing fluid refill cartridge, the method comprising the steps of:
storing information on an amount of printing fluid contained in the refill cartridge in an information storage element incorporated therein;
mounting the refill cartridge to the printing unit;
reading the information on the amount of printing fluid with an information reader incorporated in the printing unit; and controlling the refilling of the printing unit with printing fluid contained in the refill cartridge based on the information read.
51. The inkjet printer unit of claim 1 having a printing fluid storage device comprising a porous body having a plurality of individual channels arranged in an array to store printing fluid and supply the stored printing fluid to at least one printing fluid ejecting nozzle of a printhead of a printer unit, wherein a first end of each of the channels is in fluid communication with a printing fluid supply to extract printing fluid from the fluid supply for storage therein under capillary action and the stored printing fluid is supplied to the at least one nozzle under capillary action.
52.
53. A print engine for an inkjet printer comprising:
a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply; and a cradle having a body adapted to receive the removable inkjet cartridge and to control the operation of the printhead for printing;
wherein the cradle is configured to be secured to the inkjet printer to receive print media from a media input tray and to deliver printed media to a media output tray.
54. A print engine according to claim 53, wherein the cradle includes a media transport mechanism for transporting the print media from the media input tray to the printhead for printing, and from the printhead to the media output tray for collecting the printed media.
55. A print engine according to claim 54, wherein the media transport mechanism comprises a drive roller assembly and an exit roller assembly.
56. A print engine according to claim 54, wherein the body defines a recess to receive the removable inkjet cartridge.
57. A print engine according to claim 56, wherein the cradle comprises a controller for controlling the operation of the printhead to facilitate printing.
58. A print engine according to claim 57, wherein a plurality of terminals are located along the length of the body to contact corresponding terminals located along the length of the removable inkjet cartridge to enable electrical communication between the controller and the cartridge.
59. A print engine according to claim 58, wherein the plurality of terminals are located within said recess.
60. A print engine according to claim 59, wherein the controller is in the form of electrical circuitry provided on a printed circuit board, and the plurality of terminals are formed along a surface of the printed circuit board.
61. A print engine according to claim 60, wherein the controller includes one or more SoPEC devices for controlling the operation of the printhead.
62. A print engine according to claim 60, wherein the electrical circuitry is provided upon one surface of the printed circuit board and the plurality of terminals are provided upon an opposite surface of the printed circuit board.
63. A print engine according to claim 62, wherein the electrical circuitry sends electrical signals in the form of data and power signals to the plurality of terminals for transmission to the corresponding terminals on the removable inkjet cartridge.
64. A print engine according to claim 63, wherein the pagewidth printhead of the removable inkjet cartridge has a plurality of nozzles arranged in use to deliver the ink onto the passing print media and the corresponding terminals are provided on an electrical connector which is in electrical communication with the nozzles of the printhead assembly and disposed along the length of the printhead assembly.
65. A print engine according to claim 64, wherein the plurality of nozzles are provided on one or more integrated circuits extending substantially the length of the printhead assembly.
66. A print engine according to claim 65, wherein each integrated circuit has one or more contact pads formed along an edge thereof to which one end of the electrical connector is attached.
67. A print engine according to claim 66, wherein the free end of the electrical connector is provided with the corresponding terminals for receiving power and/or data signals from the controller of the cradle.
68. A print engine according to claim 67, wherein the electrical connector is of sufficient length and flexibility to extend around the printhead assembly.
69. A print engine according to claim 68, wherein the free end of the electrical connector is configured to be received along a surface of the cartridge when the printhead assembly is secured thereto.
70. A print engine according to claim 69, wherein the free end of the electrical connector has a plurality of holes formed therein, each of the holes configured to receive a stud formed on the surface of the cartridge to retain the free end of the electrical connector in position upon said surface.
71. A print engine according to claim 70, wherein when the free end of the electrical connector is retained in position upon the surface of the cartridge, the corresponding terminals are exposed upon the surface of the electrical connector.
72. A print engine according to claim 71, wherein the electrical connector is a flexible printed circuit board.
73. The print engine according to claim 53, the engine being arranged for use in an inkjet printer unit for printing an image on said print media, the printer unit also comprising:
a media input tray for supplying print media for printing; and a media output tray for collecting the printed media;
wherein the print engine comprises a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply and a cradle having a body adapted to receive the removable inkjet cartridge and to control the operation of the printhead for printing.
74. The print engine according to claim 53, wherein the cartridge comprises:
a body portion having one or more ink storage compartments; and a pagewidth printhead assembly mountable to said body and configured to receive ink from the one or more compartments and to distribute the ink along the length of the printhead assembly.
75. The print engine according to claim 53, wherein the cartridge comprises:
a body portion having one or more ink storage compartments;
a pagewidth printhead assembly mountable to said body portion and configured to receive ink from the one or more compartments for printing; and a capper unit mountable to said body portion so as to extend along the length of the printhead assembly, the capper unit housing a capping element which is movable with respect to the capper unit to contact a surface of the printhead assembly.
76. The print engine according to claim 53, wherein the cartridge comprises:

a body portion housing one or more ink storage compartments;
a pagewidth printhead assembly configured to receive ink from the one or more ink storage compartments and having a plurality of nozzles arranged in use to deliver the ink onto passing print media;
and an electrical connector in electrical communication with the nozzles of the printhead assembly and disposed along the length of the printhead assembly for mating with a corresponding connectors of the inkjet printer to control operation of the nozzles.
77. The print engine according to claim 53, wherein the cartridge comprises:
a body portion having a plurality of ink storage compartments; and a pagewidth printhead assembly configured to receive ink from ink storage compartments and distribute said ink to a plurality of nozzles arranged in use to deliver the ink onto passing print media;
wherein the ink storage compartments comprise an absorption material which stores the ink therein under capillary action for supply to the nozzles of the printhead assembly.
78. The print engine according to claim 53, wherein the print engine comprises a pagewidth printhead assembly comprising:
a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
a plurality of integrated circuits extending the length of the printhead assembly, each integrated circuit having a plurality of nozzles formed in rows thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which the integrated circuits are fixed and which distributes the ink from the body portion to the nozzles of the integrated circuits;
wherein the integrated circuits are aligned in an abutting arrangement across the length of the ink distribution member.
79. The print engine according to claim 53, wherein the print engine comprises a pagewidth printhead assembly having:
a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles formed thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which the or each integrated circuit are fixed and which distributes the ink from the body portion to the nozzles of the or each integrated circuit;
wherein the body portion has one or more connectors formed thereon for securing the printhead assembly to the one or more ink sources to facilitate ink flow therebetween.
80. The print engine according to claim 53, wherein the print engine comprises a pagewidth printhead assembly having a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles formed thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which the or each integrated circuit is fixed and which distributes the ink from the body portion to the nozzles of the or each integrated circuit;
wherein an electrical connector in electrical communication with the or each integrated circuit extends along the length of the printhead assembly for mating with a corresponding electrical connector of the inkjet printer.
81. The print engine according to claim 53, wherein the print engine comprises a pagewidth printhead assembly having a body portion for receiving ink from one or more ink sources and having one or more channels formed therein for distributing the ink substantially along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which the or each integrated circuit is fixed and which distributes the ink from the body portion to each of the integrated circuits;
wherein the ink distribution member is a unitary element having a plurality of conduits formed therethrough, each of the conduits having an inlet which receives ink from one of the channels of the body portion and an outlet which delivers the ink to a predetermined number of nozzles of the one or more integrated circuits.
82. The print engine according to claim 53, wherein the print engine comprises a pagewidth printhead assembly having:
a body portion for receiving ink from one or more ink sources and having one or more channels formed therein for distributing the ink substantially along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, each integrated circuit having a plurality of nozzles, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which each integrated circuit is fixed and which distributes the ink from the body portion to each of the integrated circuits;

wherein the ink distribution member comprises a first layer which directs the ink from the one or more channels of the body portion for delivery to each integrated circuit, and a second layer attached to said first layer for receiving and securing each integrated circuit in a position to receive the ink from the first layer.
83. The print engine according to claim 53, wherein the print engine comprises a capping assembly for capping the pagewidth printhead, the capping assembly having:
a body configured to extend the length of the printhead; and a capping element housed within said body and movable with respect to the body to cap at least a portion of said printhead ;
wherein, the body includes a mounting element for removably mounting said capping assembly to said printhead.
84. The print engine according to claim 53, wherein the print engine comprises a capping assembly for capping the pagewidth printhead, the capping assembly having:
a body configured to extend the length of the printhead; and a capping element housed within said body, said capping element having a rim portion adapted to cap at least a portion of said printhead ;
wherein, the capping element is movable with respect to said body between a first and a second position, said first position being where said rim portion extends from said body, and said second position being where said rim portion is contained within said body.
85. The print engine according to claim 53, wherein the print engine comprises a capping assembly for capping the pagewidth printhead, the capping assembly having:
a body configured to extend the length of the printhead; and a capping element housed within said body and movable with respect to said body between a first and a second position, said first position being where a portion of the capping element extends from said body, and said second position being where said capping element is contained within said body;
wherein, the capping element is biased into said first position.
86. The print engine according to claim 53, wherein the print engine comprises a capping assembly for capping the pagewidth printhead, the capping assembly having:
a body configured to extend the length of the printhead;
a capping element housed within said body and having a rim portion adapted to cap at least a portion of the printhead;
a displacement assembly housed within the body for moving the capping element between a first position where the rim portion of the capping element extends from said body, and a second position where the rim portion of the capping element is contained within the body;
wherein, the displacement assembly is controlled by an electromagnet which determines the position.
87. The print engine according to claim 53, wherein the cradle is a cradle unit comprising:
a body complementary to the removable inkjet cartridge; and a controller for controlling the operation of the printhead to facilitate printing;
wherein, a plurality of terminals are located along the length of the body to contact corresponding terminals located along the length of the removable inkjet cartridge to enable electrical communication between the controller and the cartridge.
88. The print engine according to claim 53, wherein the cradle is a cradle unit comprising a body complementary to the removable inkjet cartridge;
a controller for controlling the operation of the printhead to facilitate printing; and a plurality of terminals in electrical communication with said controller for transmitting control signals from said controller to corresponding terminals provided on said cartridge;
wherein said plurality of terminals are arranged to pivotally engage with said corresponding terminals provided on said cartridge when said cartridge is received by said body.
89. The print engine according to claim 53, wherein the cradle is a cradle unit comprising a body complementary to the removable inkjet cartridge and a controller for controlling the operation of the printhead to facilitate printing;
wherein, said body includes a cover assembly for enclosing the removable inkjet cartridge within the body, said cover assembly having at least one port formed therein through which a refill unit is received for refilling the ink supply of the cartridge.
90. The print engine according to claim 53, wherein the cradle is a cradle unit comprising a body complementary to the removable inkjet cartridge; and a controller for controlling the operation of the printhead to facilitate printing;
wherein, said body is configured to receive a refill unit for supplying refill ink to the cartridge and includes a refill actuator for dispensing ink from said refill unit into said refillable ink supply.
91. The print engine according to claim 53, wherein the cradle is a cradle unit comprising:
a body complementary to the removable inkjet cartridge; and a controller for controlling the operation of the printhead to facilitate printing;
wherein, said body includes an electromagnet assembly mounted thereto which is controlled by said controller for operating said capper assembly of the removable inkjet cartridge.
92. The print engine according to claim 53, the print engine having a cover assembly for the cradle unit having a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply and a controller for controlling the operation of the printhead to facilitate printing, the cover assembly comprising at least one port formed therein through which a refill unit is received for refilling the ink supply of the cartridge.
93. The print engine according to claim 53, the print engine having a cover assembly for the cradle unit having a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply and a controller for controlling the operation of the printhead to facilitate printing; the cover assembly comprising:
a refill actuator for dispensing ink from an ink refill unit into said refillable ink supply.
94. The print engine according to claim 53, the print engine having an ink priming system for the cartridge unit of the type having a pagewidth printhead assembly in fluid communication with one or more ink storage compartments, the system comprising:
a priming inlet provided on said printhead assembly for receiving a supply of ink for priming the cartridge unit; and an ink flow passage providing fluid connection between said printhead assembly and one of the ink storage compartments;
wherein the ink supplied to the priming inlet of the printhead assembly flows from the printhead assembly to the ink storage compartment via the ink flow passage to prime both the printhead assembly and the ink storage compartment with ink simultaneously.
95. The print engine according to claim 53, the print engine having an ink priming system for the cartridge unit of the type having a pagewidth printhead assembly in fluid communication with one or more ink storage compartments, the system comprising:
a priming inlet provided on said printhead assembly for receiving a supply of ink for priming the cartridge unit;
an ink flow passage providing fluid connection between said printhead assembly and one of the ink storage compartments; and a bypass flow passage providing additional fluid connection between the ink flow passage and the ink storage compartment;
wherein the ink supplied to the priming inlet of the printhead assembly flows from the printhead assembly to the ink storage compartment via the ink flow passage and the bypass flow passage to prime both the printhead assembly and the ink storage compartment with ink simultaneously.
96. The print engine according to claim 53, the print engine being arranged for use with a printing fluid refill cartridge associated with a printing fluid dispenser comprising:
a body storing printing fluid having an outlet through which the printing fluid is dispensed; and a selector arranged to select the amount of the printing fluid to be dispensed from the body.
97. The print engine according to claim 53, wherein the cartridge is arranged for refilling with a supply of printing fluid by a method comprising the steps of:
removably mounting a dispenser of printing fluid to the printing unit so as to align an outlet of the dispenser with an inlet of a printing fluid storage chamber of the printing unit;

determining an amount of printing fluid needed to substantially refill the printing fluid storage chamber; and selectively dispensing an amount of printing fluid from the 'dispenser corresponding to the determined amount.
98. The print engine according to claim 53, the print engine being arranged for use with a dispensing assembly for a printing fluid refill cartridge, the dispensing assembly comprising:
a body for storing printing fluid having an outlet through which the printing fluid is dispensed; and a plunger arranged to selectively change the storage capacity of the body and expel the printing fluid through said outlet by selective engagement of a movable retaining member with a series of grooves arranged along a surface of the plunger, thereby dispensing a selected amount of printing fluid from the outlet.
99. The print engine according to claim 53, the print engine having a system for controlling refilling of the print engine by a printing fluid refill unit, the system comprising:
an information storage element incorporated in the refill unit for storing information on the amount of printing fluid contained in the refill unit; and an information reader incorporated in the print engine for reading the information stored by the storage element when the refill unit is mounted to the print engine and for controlling the refilling of the print engine with the printing fluid contained in the refill unit based on the information read.
100. The print engine according to claim 53, the print engine being arranged for use with a printing fluid refill unit comprising an information storage element for storing information on the amount of printing fluid contained in the refill unit and for connecting with an information reader incorporated in the print engine for reading the information stored by the storage element when the refill unit is mounted to the print engine, wherein the information stored by the storage element enables the reader to control the refilling of the print engine with the printing fluid contained in the refill unit.
101. The print engine according to claim 53, wherein the cartridge is arranged for refilling with a supply of printing fluid by a printing fluid refill cartridge, wherein the method of controlling the refilling of the cartridge comprises the steps of :
storing information on an amount of printing fluid contained in the refill cartridge in an information storage element incorporated therein;
mounting the refill cartridge to the printing unit;
reading the information on the amount of printing fluid with an information reader incorporated in the printing unit; and controlling the refilling of the printing unit with printing fluid contained in the refill cartridge based on the information read.
102. The print engine according to claim 53, wherein the inkjet cartridge comprises a printing fluid storage device comprising a porous body having a plurality of individual channels arranged in an array to store printing fluid and supply the stored printing fluid to at least one printing fluid ejecting nozzle of a printhead of a printer unit, wherein a first end of each of the channels is in fluid communication with a printing fluid supply to extract printing fluid from the fluid supply for storage therein under capillary action and the stored printing fluid is supplied to the at least one nozzle under capillary action.
103. A cartridge unit for an inkjet printer comprising:
a body portion having one or more ink storage compartments; and a pagewidth printhead assembly mountable to said body and configured to receive ink from the one or more compartments and to distribute the ink along the length of the printhead assembly.
104. A cartridge unit according to claim 103, wherein the pagewidth printhead assembly includes a plurality of connectors which project from a surface thereof and are received by the body portion to secure the printhead assembly thereto.
105. A cartridge unit according to claim 104, wherein the body portion has one or more ink outlets formed along a surface thereof, with each of the ink outlets being associated with one of the ink storage compartments and configured to receive an ink inlet of the pagewidth printhead assembly when the pagewidth printhead assembly is attached thereto.
106. A cartridge unit according to claim 105, wherein the ink inlets are hollow tubes which project from the pagewidth printhead assembly and are received within the ink outlets of the body portion to facilitate the delivery of ink to the printhead assembly.
107. A cartridge unit according to claim 106, wherein the printhead assembly comprises one or more ink delivery channels which extend the length thereof, each of the ink delivery channels being configured to receive ink from only one of the ink inlets.
108. A cartridge unit according to claim 107, wherein the printhead assembly comprises one or more integrated circuits which extend substantially the length thereof, the or each integrated circuit having a plurality of nozzles formed thereon, each of the nozzles being arranged in use to receive ink from the one or more ink delivery channels and deliver the ink onto passing print media.
109. A cartridge unit according to claim 108, wherein an ink distribution member distributes the ink from the one or more ink delivery channels to the nozzles of the integrated circuits.
110. A cartridge unit according to claim 109, wherein the integrated circuits are secured to a surface of the ink distribution member.
111. A cartridge unit according to claim 110, wherein the integrated circuits are secured to the surface of the ink distribution member in an end-to-end arrangement across the length of the ink distribution member.
112. A cartridge unit according to claim 111, wherein the ends of the integrated circuits are shaped to have a straight edge to facilitate a rectangular join between neighbouring integrated circuits.
113. A cartridge unit according to claim 111, wherein the ends of the integrated circuits are shaped to have an angled edge to facilitate a sloping join between neighbouring integrated circuits.
114. A cartridge unit according to claim 113, wherein neighbouring integrated circuits are vertically offset from each other along the length of the ink distribution member.
115. A cartridge unit according to claim 114, wherein the nozzles are provided in sloping rows along the surface of the integrated circuits.
116. A cartridge unit according to claim 113, wherein the angled edge has an angle of 45°.
117. A cartridge unit according to claim 116, wherein the angled edge has a sawtooth profile.
118. A cartridge unit according to claim 117, wherein the nozzles of each of the rows adjacent one end of the integrated circuits are vertically displaced with respect to the remainder of the nozzles to provide a degree of nozzle overlap at the join and to maintain nozzle pitch across the join.
119. A cartridge unit according to claim 118, wherein the vertically displaced nozzles are arranged in a triangular configuration.
120. A cartridge unit according to claim 118, wherein the vertically displaced nozzles are arranged in a trapezoidal configuration.
121. A cartridge unit according to claim 111, wherein the distance of separation between neighbouring integrated circuits is less than 15 microns.
122. The cartridge according to claim 103 wherein the inkjet printer is an inkjet printer unit comprising:
a media input tray for supplying print media for printing;
a print engine for printing an image on said print media; and a media output tray for collecting the printed media;

wherein the print engine comprises the cartridge and a cradle having a body adapted to receive the cartridge and to control the operation of the printhead assembly for printing.
123. The cartridge according to claim 103 arranged for use in a print engine for an inkjet printer, the print engine further comprising a cradle having a body adapted to receive the removable inkjet cartridge and to control the operation of the printhead for printing;
wherein the cradle is configured to be secured to the inkjet printer to receive print media from a media input tray and to deliver printed media to a media output tray.
124. The cartridge according to claim 103, the cartridge further comprising a capper unit mountable to said body portion so as to extend along the length of the printhead assembly, the capper unit housing a capping element which is movable with respect to the capper unit to contact a surface of the printhead assembly.
125. The cartridge according to claim 103, wherein the pagewidth printhead assembly is configured to receive ink from the one or more ink storage compartments and has a plurality of nozzles arranged in use to deliver the ink onto passing print media; and wherein the cartridge further comprises an electrical connector being in electrical communication with the nozzles of the printhead assembly and disposed along the length of the printhead assembly for mating with a corresponding connectors of the inkjet printer to control operation of the nozzles.
126. The cartridge according to claim 103, wherein the pagewidth printhead assembly is configured to receive ink from ink storage compartments and distribute said ink to a plurality of nozzles arranged in use to deliver the ink onto passing print media; and wherein the ink storage compartments comprise an absorption material which stores the ink therein under capillary action for supply to the nozzles of the printhead assembly.
127. The cartridge according to claim 103, wherein the pagewidth printhead assembly comprises:
a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
a plurality of integrated circuits extending the length of the printhead assembly, each integrated circuit having a plurality of nozzles formed in rows thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which the integrated circuits are fixed and which distributes the ink from the body portion to the nozzles of the integrated circuits;
wherein the integrated circuits are aligned in an abutting arrangement across the length of the ink distribution member.
128. The cartridge according to claim 103, twherein the pagewidth printhead assembly comprises:

a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles formed thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which the or each integrated circuit are fixed and which distributes the ink from the body portion to the nozzles of the or each integrated circuit;
wherein the body portion has one or more connectors formed thereon for securing the printhead assembly to the one or more ink sources to facilitate ink flow therebetween.
129. The cartridge according to claim 103, wherein the pagewidth printhead assembly comprises:
a body portion for receiving role from one or more ink sources and distributing the ink along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles formed thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which the or each integrated circuit is fixed and which distributes the ink from the body portion to the nozzles of the or each integrated circuit;
wherein an electrical connector in electrical communication with the or each integrated circuit extends along the length of the printhead assembly for mating with a corresponding electrical connector of the inkjet printer.
130. The cartridge according to claim 103, wherein the pagewidth printhead assembly comprises:
a body portion for receiving ink from one or more ink sources and having one or more channels formed therein for distributing the ink substantially along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which the or each integrated circuit is fixed and which distributes the ink from the body portion to each of the integrated circuits;
wherein the ink distribution member is a unitary element having a plurality of conduits formed therethrough, each of the conduits having an inlet which receives ink from one of the channels of the body portion and an outlet which delivers the ink to a predetermined number of nozzles of the one or more integrated circuits.
131. The cartridge according to claim 103, wherein the pagewidth printhead assembly comprises:
a body portion for receiving ink from one or more ink sources and having one or more channels formed therein for distributing the ink substantially along the length of the printhead assembly;

one or more integrated circuits extending substantially the length of the printhead assembly, each integrated circuit having a plurality of nozzles, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which each integrated circuit is fixed and which distributes the ink from the body portion to each of the integrated circuits;
wherein the ink distribution member comprises a first layer which directs the ink from the one or more channels of the body portion for delivery to each integrated circuit, and a second layer attached to said first layer for receiving and securing each integrated circuit in a position to receive the ink from the first layer.
132. The cartridge according to claim 103, the cartridge having a capping assembly for capping the pagewidth printhead, the capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body and movable with respect to the body to cap at least a portion of said printhead ;
wherein, the body includes a mounting element for removably mounting said capping assembly to said printhead.
133. The cartridge according to claim 103, the cartridge having a capping assembly for capping the pagewidth printhead, the capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body, said capping element having a rim portion adapted to cap at least a portion of said printhead ;
wherein, the capping element is movable with respect to said body between a first and a second position, said first position being where said rim portion extends from said body, and said second position being where said rim portion is contained within said body.
134. The cartridge according to claim 103, the cartridge having a capping assembly for capping the pagewidth printhead, the capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body and movable with respect to said body between a first and a second position, said first position being where a portion of the capping element extends from said body, and said second position being where said capping element is contained within said body;
wherein, the capping element is biased into said first position.
135. The cartridge according to claim 1, the cartridge having a capping assembly for capping the pagewidth printhead, the capping assembly comprising:
a body configured to extend the length of the printhead;

a capping element housed within said body and having a rim portion adapted to cap at least a portion of the printhead;
a displacement assembly housed within the body for moving the capping element between a first position where the rim portion of the capping element extends from said body, and a second position where the rim portion of the capping element is contained within the body;
wherein, the displacement assembly is controlled by an electromagnet which determines the position.
136. The cartridge according to claim 103 arranged for use with a cradle unit comprising:
a body complementary to the cartridge; and a controller for controlling the operation of the printhead to facilitate printing;
wherein, a plurality of terminals are located along the length of the body to contact corresponding terminals located along the length of the removable inkjet cartridge to enable electrical communication between the controller and the cartridge.
137. The cartridge according to claim 103 arranged for use with a cradle unit comprising:
a body complementary to the cartridge;
a controller for controlling the operation of the printhead to facilitate printing; and a plurality of terminals in electrical communication with said controller for transmitting control signals from said controller to corresponding terminals provided on said cartridge;
wherein said plurality of terminals are arranged to pivotally engage with said corresponding terminals provided on said cartridge when said cartridge is received by said body.
138. The cartridge according to claim 103 arranged for use with a cradle unit comprising:
a body complementary to the cartridge; and a controller for controlling the operation of the printhead to facilitate printing;
wherein, said body includes a cover assembly for enclosing the removable inkjet cartridge within the body, said cover assembly having at least one port formed therein through which a refill unit is received for refilling the ink supply of the cartridge.
139. The cartridge according to claim 103 arranged for use with a cradle unit comprising:
a body complementary to the cartridge; and a controller for controlling the operation of the printhead to facilitate printing;
wherein, said body is configured to receive a refill unit for supplying refill ink to the cartridge and includes a refill actuator for dispensing ink from said refill unit into said refillable ink supply.
140. The cartridge according to claim 103 arranged for use with a cradle unit comprising:
a body complementary to the cartridge; and a controller for controlling the operation of the printhead to facilitate printing;

wherein, said body includes an electromagnet assembly mounted thereto which is controlled by said controller for operating said capper assembly of the removable inkjet cartridge.
141. The cartridge according to claim 103 adapted for use with a cradle unit arranged for use with a cover assembly having a body, complementary to the cartridge, and a controller for controlling the operation of the printhead to facilitate printing;
wherein the cover assembly comprises at least one port formed therein through which a refill unit is received for refilling the ink supply of the cartridge.
142. The cartridge according to claim 103 adapted for use with a cradle unit of an inkjet printer arranged for use with a cover assembly having a body, complementary to the cartridge, and an ink supply and a controller for controlling the operation of the printhead to facilitate printing;
wherein the cover assembly comprises a refill actuator for dispensing ink from an ink refill unit into said refillable ink supply.
143. The cartridge according to claim 103 arranged for use with an ink priming system for priming the cartridge, the system comprising:
a priming inlet provided on said printhead assembly for receiving a supply of ink for priming the cartridge; and an ink flow passage providing fluid connection between said printhead assembly and one of the ink storage compartments;
wherein the ink supplied to the priming inlet of the printhead assembly flows from the printhead assembly to the ink storage compartment via the ink flow passage to prime both the printhead assembly and the ink storage compartment with ink simultaneously.
144. The cartridge according to claim 103 adapted for use with an ink priming system for priming the cartridge, the system comprising:
a priming inlet provided on said printhead assembly for receiving a supply of ink for priming the cartridge;
an ink flow passage providing fluid connection between said printhead assembly and one of the ink storage compartments; and a bypass flow passage providing additional fluid connection between the ink flow passage and the ink storage compartment;
wherein the ink supplied to the priming inlet of the printhead assembly flows from the printhead assembly to the ink storage compartment via the ink flow passage and the bypass flow passage to prime both the printhead assembly and the ink storage compartment with ink simultaneously.
145. The cartridge according to claim 103 adapted for use with a printing fluid refill cartridge having a printing fluid dispenser comprising:

a body storing printing fluid having an outlet through which the printing fluid is dispensed; and a selector arranged to select the amount of the printing fluid to be dispensed from the body.
146. The cartridge according to claim 103 adapted for refilling with a supply of printing fluid from a printing fluid refill cartridge by way of a method comprising the steps of:
removably mounting a dispenser of printing fluid to the printing unit so as to align an outlet of the dispenser with an inlet of a printing fluid storage chamber of the printing unit;
determining an amount of printing fluid needed to substantially refill the printing fluid storage chamber; and selectively dispensing an amount of printing fluid from the dispenser corresponding to the determined amount.
147. The cartridge according to claim 103 arranged for use with a printing fluid refill cartridge having a dispensing assembly comprising:
a body for storing printing fluid having an outlet through which the printing fluid is dispensed; and a plunger arranged to selectively change the storage capacity of the body and expel the printing fluid through said outlet by selective engagement of a movable retaining member with a series of grooves arranged along a surface of the plunger, thereby dispensing a selected amount of printing fluid from the outlet.
148. The cartridge according to claim 103 arranged for use with a printing fluid refill cartridge, wherein the system for controlling refilling of the cartridge by the printing fluid refill unit comprises:
an information storage element incorporated in the refill unit for storing information on the amount of printing fluid contained in the refill unit; and an information reader incorporated in the print engine for reading the information stored by the storage element when the refill unit is mounted to the print engine and for controlling the refilling of the print engine with the printing fluid contained in the refill unit based on the information read.
149. The cartridge according to claim 103 arranged for use with a printing fluid refill unit for a print engine, the refill unit comprising an information storage element for storing information on the amount of printing fluid contained in the refill unit and for connecting with an information reader incorporated in the print engine for reading the information stored by the storage element when the refill unit is mounted to the print engine, wherein the information stored by the storage element enables the reader to control the refilling of the print engine with the printing fluid contained in the refill unit.
150. The cartridge according to claim 103 arranged for use with a printing fluid refill cartridge, wherein the method of controlling refilling of the inkjet cartridge by the refill cartridge comprises the steps of :
storing information on an amount of printing fluid contained in the refill cartridge in an information storage element incorporated therein;

mounting the refill cartridge to the printing unit;
reading the information on the amount of printing fluid with an information reader incorporated in the printing unit; and controlling the refilling of the printing unit with printing fluid contained in the refill cartridge based on the information read.
151. The cartridge according to claim 103 arranged for use with a printing fluid storage device comprising a porous body having a plurality of individual channels arranged in an array to store printing fluid and supply the stored printing fluid to at least one printing fluid ejecting nozzle of a printhead of a printer unit, wherein a first end of each of the channels is in fluid communication with a printing fluid supply to extract printing fluid from the fluid supply for storage therein under capillary action and the stored printing fluid is supplied to the at least one nozzle under capillary action.
152. A cartridge unit for an inkjet printer comprising:
a body portion having one or more ink storage compartments;
a pagewidth printhead assembly mountable to said body portion and configured to receive ink from the one or more compartments for printing; and a capper unit mountable to said body portion so as to extend along the length of the printhead assembly, the capper unit housing a capping element which is movable with respect to the capper unit to contact a surface of the printhead assembly.
153. A cartridge unit according to claim 152, wherein the capper unit includes a mounting element for mounting the capper unit to the body portion, the mounting element comprises one or more clips projecting from the capper unit which engage with corresponding clips provided on the body portion.
154. A cartridge unit according to claim 153, wherein the capper unit is mounted to the body portion such that a gap is provided between the printhead assembly and capper unit, said gap being sufficient to enable print media to pass therethrough for printing by said printhead.
155. A cartridge unit according to claim 154, wherein a surface of the capper unit opposite said printhead acts as a media guide, and supports said print media as it passes said printhead for printing.
156. A cartridge unit according to claim 155, wherein the surface has a slot formed therein which extends the length of the body.
157. A cartridge unit according to claim 156, wherein the capping element is movable to project through said slot and across said gap to cap a printing surface of the printhead assembly.
158. A cartridge unit according to claim 157, wherein the printing surface comprises a plurality of nozzles, each of the nozzles being arranged in use to deliver ink onto the passing print media.
159. A cartridge unit according to claim 158, wherein the capping element has an open rim portion which contacts said printing surface of the printhead assembly and seals the nozzles within an internal space of the capping element.
160. A cartridge unit according to claim 159, wherein the internal space of the capping element comprises an absorbent material for receiving ink ejected by the nozzles.
161. A cartridge unit according to claim 157, wherein the capping element is movable to retract into said capper unit to uncap said printing surface to enable printing to occur.
162. The cartridge according to claim 152 wherein the inkjet printer comprises:
a media input tray for supplying print media for printing;
a print engine for printing an image on said print media; and a media output tray for collecting the printed media;
wherein the print engine comprises the cartridge and a cradle having a body adapted to receive the removable inkjet cartridge and to control the operation of the printhead assembly for printing;
163. The cartridge according to claim 152 arranged for use in a print engine further comprising:
a cradle having a body adapted to receive the removable inkjet cartridge and to control the operation of the printhead for printing;
wherein the cradle is configured to be secured to the inkjet printer to receive print media from a media input tray and to deliver printed media to a media output tray.
164. The cartridge according to claim 152, wherein the pagewidth printhead assembly is mountable to said body and configured to receive ink from the one or more compartments and to distribute the ink along the length of the printhead assembly.
165. The cartridge according to claim 152, wherein the pagewidth printhead assembly is configured to receive ink from the one or more ink storage compartments and has a plurality of nozzles arranged in use to deliver the ink onto passing print media; and wherein the cartridge further comprises an electrical connector being in electrical communication with the nozzles of the printhead assembly and disposed along the length of the printhead assembly for mating with a corresponding connectors of the inkjet printer to control operation of the nozzles.
166. The cartridge according to claim 152, wherein the pagewidth printhead assembly is configured to receive ink from ink storage compartments and distribute said ink to a plurality of nozzles arranged in use to deliver the ink onto passing print media; and wherein the ink storage compartments comprise an absorption material which stores the ink therein under capillary action for supply to the nozzles of the printhead assembly.
167. The cartridge according to claim 152, wherein the pagewidth printhead assembly comprises:
a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
a plurality of integrated circuits extending the length of the printhead assembly, each integrated circuit having a plurality of nozzles formed in rows thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which the integrated circuits are fixed and which distributes the ink from the body portion to the nozzles of the integrated circuits;
wherein the integrated circuits are aligned in an abutting arrangement across the length of the ink distribution member.
168. The cartridge according to claim 152, wherein the pagewidth printhead assembly comprises:
a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles formed thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which the or each integrated circuit are fixed and which distributes the ink from the body portion to the nozzles of the or each integrated circuit;
wherein the body portion has one or more connectors formed thereon for securing the printhead assembly to the one or more ink sources to facilitate ink flow therebetween.
169. The cartridge according to claim 152, wherein the pagewidth printhead assembly comprises:
a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles formed thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which the or each integrated circuit is fixed and which distributes the ink from the body portion to the nozzles of the or each integrated circuit;
wherein an electrical connector in electrical communication with the or each integrated circuit extends along the length of the printhead assembly for mating with a corresponding electrical connector of the inkjet printer.
170. The cartridge according to claim 152, wherein the pagewidth printhead assembly comprises:
a body portion for receiving ink from one or more ink sources and having one or more channels formed therein for distributing the ink substantially along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which the or each integrated circuit is fixed and which distributes the ink from the body portion to each of the integrated circuits;
wherein the ink distribution member is a unitary element having a plurality of conduits formed therethrough, each of the conduits having an inlet which receives ink from one of the channels of the body portion and an outlet which delivers the ink to a predetermined number of nozzles of the one or more integrated circuits.
171. The cartridge according to claim 152, wherein the pagewidth printhead assembly comprises:
a body portion for receiving ink from one or more ink sources and having one or more channels formed therein for distributing the ink substantially along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, each integrated circuit having a plurality of nozzles, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which each integrated circuit is fixed and which distributes the ink from the body portion to each of the integrated circuits;
wherein the ink distribution member comprises a first layer which directs the ink from the one or more channels of the body portion for delivery to each integrated circuit, and a second layer attached to said first layer for receiving and securing each integrated circuit in a position to receive the ink from the first layer.
172. The cartridge according to claim 152, the cartridge having a capping assembly for capping the pagewidth printhead, the capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body and movable with respect to the body to cap at least a portion of said printhead ;
wherein, the body includes a mounting element for removably mounting said capping assembly to said printhead.
173. The cartridge according to claim 152, the cartridge having a capping assembly for capping the pagewidth printhead, the capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body, said capping element having a rim portion adapted to cap at least a portion of said printhead ;

wherein, the capping element is movable with respect to said body between a first and a second position, said first position being where said rim portion extends from said body, and said second position being where said rim portion is contained within said body.
174. The cartridge according to claim 152, the cartridge having a capping assembly for capping the pagewidth printhead, the capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body and movable with respect to said body between a first and a second position, said first position being where a portion of the capping element extends from said body, and said second position being where said capping element is contained within said body;
wherein, the capping element is biased into said first position.
175. The cartridge according to claim 152, the cartridge having a capping assembly for capping the pagewidth printhead, the capping assembly comprising:
a body configured to extend the length of the printhead;
a capping element housed within said body and having a rim portion adapted to cap at least a portion of the printhead;
a displacement assembly housed within the body for moving the capping element between a first position where the rim portion of the capping element extends from said body, and a second position where the rim portion of the capping element is contained within the body;
wherein, the displacement assembly is controlled by an electromagnet which determines the position.
176. The cartridge according to claim 152 arranged for use with a cradle unit comprising:
a body complementary to the cartridge; and a controller for controlling the operation of the printhead to facilitate printing;
wherein, a plurality of terminals are located along the length of the body to contact corresponding terminals located along the length of the removable inkjet cartridge to enable electrical communication between the controller and the cartridge.
177. The cartridge according to claim 152 arranged for use with a cradle unit comprising:
a body complementary to the cartridge;
a controller for controlling the operation of the printhead to facilitate printing; and a plurality of terminals in electrical communication with said controller for transmitting control signals from said controller to corresponding terminals provided on said cartridge;
wherein said plurality of terminals are arranged to pivotally engage with said corresponding terminals provided on said cartridge when said cartridge is received by said body.
178. The cartridge according to claim 152 arranged for use with a cradle unit comprising:
a body complementary to the cartridge; and a controller for controlling the operation of the printhead to facilitate printing;
wherein, said body includes a cover assembly for enclosing the removable inkjet cartridge within the body, said cover assembly having at least one port formed therein through which a refill unit is received for refilling the ink supply of the cartridge.
179. The cartridge according to claim 152 arranged for use with a cradle unit comprising:
a body complementary to the cartridge; and a controller for controlling the operation of the printhead to facilitate printing;
wherein, said body is configured to receive a refill unit for supplying refill ink to the cartridge and includes a refill actuator for dispensing ink from said refill unit into said refillable ink supply.
180. The cartridge according to claim 152 arranged for use with a cradle unit for an inkjet printer comprising:
a body complementary to the cartridge; and a controller for controlling the operation of the printhead to facilitate printing;
wherein, said body includes an electromagnet assembly mounted thereto which is controlled by said controller for operating said capper assembly of the removable inkjet cartridge.
181. The cartridge according to claim 152 adapted for use with a cradle unit arranged for use with a cover assembly having a body, complementary to the cartridge, and a controller for controlling the operation of the printhead to facilitate printing;
wherein the cover assembly comprises at least one port formed therein through which a refill unit is received for refilling the ink supply of the cartridge.
182. The cartridge according to claim 152 adapted for use with a cradle unit of arranged for use with a cover assembly having a body, complementary to the cartridge, and an ink supply and a controller for controlling the operation of the printhead to facilitate printing;
wherein the cover assembly comprises a refill actuator for dispensing ink from an ink refill unit into said refillable ink supply.
183. The cartridge according to claim 152 adapted for use with an ink priming system for priming the cartridge, the system comprising:
a priming inlet provided on said printhead assembly for receiving a supply of ink for priming the cartridge; and an ink flow passage providing fluid connection between said printhead assembly and one of the ink storage compartments;
wherein the ink supplied to the priming inlet of the printhead assembly flows from the printhead assembly to the ink storage compartment via the ink flow passage to prime both the printhead assembly and the ink storage compartment with ink simultaneously.
184. The cartridge according to claim 152 adapted for use with an ink priming system for prinming the cartridge, the system comprising:
a priming inlet provided on said printhead assembly for receiving a supply of ink for priming the cartridge;
an ink flow passage providing fluid connection between said printhead assembly and one of the ink storage compartments; and a bypass flow passage providing additional fluid connection between the ink flow passage and the ink storage compartment;
wherein the ink supplied to the priming inlet of the printhead assembly flows from the printhead assembly to the ink storage compartment via the ink flow passage and the bypass flow passage to prime both the printhead assembly and the ink storage compartment with ink simultaneously.
185. The cartridge according to claim 152 arranged for use with a printing fluid refill cartridge having a printing fluid dispenser comprising:
a body storing printing fluid having an outlet through which the printing fluid is dispensed; and a selector arranged to select the amount of the printing fluid to be dispensed from the body.
186. The cartridge according to claim 152 adapted for refilling with a supply of printing fluid from a printing fluid refill cartridge by a method comprising the steps of:
removably mounting a dispenser of printing fluid to the printing unit so as to align an outlet of the dispenser with an inlet of a printing fluid storage chamber of the printing unit;
determining an amount of printing fluid needed to substantially refill the printing fluid storage chamber; and selectively dispensing an amount of printing fluid from the dispenser corresponding to the determined amount.
187. The cartridge according to claim 152 adapted for refilling with a supply of printing fluid from a printing fluid refill cartridge having a dispensing assembly comprising:
a body for storing printing fluid having an outlet through which the printing fluid is dispensed; and a plunger arranged to selectively change the storage capacity of the body and expel the printing fluid through said outlet by selective engagement of a movable retaining member with a series of grooves arranged along a surface of the plunger, thereby dispensing a selected amount of printing fluid from the outlet.
188. The inkjet cartridge according to claim 152 adapted for refilling with a supply of printing fluid from a printing fluid refill cartridge, the system for controlling refilling of the inkjet cartridge comprising:
an information storage element incorporated in the refill unit for storing information on the amount of printing fluid contained in the refill unit; and an information reader incorporated in the print engine for reading the information stored by the storage element when the refill unit is mounted to the print engine and for controlling the refilling of the print engine with the printing fluid contained in the refill unit based on the information read.
189. The cartridge according to claim 152 adapted for refilling with a supply of printing fluid from a printing fluid refill unit comprising an information storage element for storing information on the amount of printing fluid contained in the refill unit and for connecting with an information reader incorporated in the print engine for reading the information stored by the storage element when the refill unit is mounted to the print engine, wherein the information stored by the storage element enables the reader to control the refilling of the print engine with the printing fluid contained in the refill unit.
190. The inkjet cartridge according to claim 152 adapted for refilling with a supply of printing fluid from a printing fluid refill cartridge, wherein the method of controlling the refilling comprises the steps of :
storing information on an amount of printing fluid contained in the refill cartridge in an information storage element incorporated therein;
mounting the refill cartridge to the printing unit;
reading the information on the amount of printing fluid with an information reader incorporated in the printing unit; and controlling the refilling of the printing unit with printing fluid contained in the refill cartridge based on the information read.
191. The cartridge according to claim 152, the cartridge comprising a printing fluid storage device comprising a porous body having a plurality of individual channels arranged in an array to store printing fluid and supply the stored printing fluid to at least one printing fluid ejecting nozzle of a printhead of a printer unit, wherein a first end of each of the channels is in fluid communication with a printing fluid supply to extract printing fluid from the fluid supply for storage therein under capillary action and the stored printing fluid is supplied to the at least one nozzle under capillary action.
192. A cartridge unit for an inkjet printer comprising:
a body portion housing one or more ink storage compartments;
a pagewidth printhead assembly configured to receive ink from the one or more ink storage compartments and having a plurality of nozzles arranged in use to deliver the ink onto passing print media;
and an electrical connector in electrical communication with the nozzles of the printhead assembly and disposed along the length of the printhead assembly for mating with a corresponding connectors of the inkjet printer to control operation of the nozzles.
193. A cartridge unit according to claim 192, wherein the plurality of nozzles are provided on one or more integrated circuits extending substantially the length of the printhead assembly.
194. A cartridge unit according to claim 193 wherein each integrated circuit has one or more contact pads formed along an edge thereof to which one end of the electrical connector is attached.
195. A cartridge unit according to claim 194, wherein the free end of the electrical connector is provided with a plurality of contacts for receiving power and/or data signals from the inkjet printer for transmission to the corresponding contact pads of the integrated circuits.
196. A cartridge unit according to claim 195, wherein the electrical connector is of sufficient length and flexibility to extend around the printhead assembly.
197. A cartridge unit according to claim 196, wherein the free end of the electrical connector is configured to be received along a surface of the body portion when the printhead assembly is secured thereto.
198. A cartridge unit according to claim 197, wherein the free end of the electrical connector has a plurality of holes formed therealong, each of the said holes configured to receive a stud formed on the body portion to retain the free end of the electrical connector in position upon a surface of the body portion.
199. A cartridge unit according to claim 197, wherein when the free end of the electrical connector is retained in position upon a surface of the cartridge unit, the plurality of contacts are exposed upon the surface of the electrical connector.
200. A cartridge unit according to claim 198, wherein the electrical connector is a flexible printed circuit board
201. The cartridge according to claim 192 wherein the inkjet printer comprises:
a media input tray for supplying print media for printing;
a print engine for printing an image on said print media; and a media output tray for collecting the printed media;
wherein the print engine comprises the cartridge and a cradle having a body adapted to receive the removable inkjet cartridge and to control the operation of the printhead assembly for printing;
202. The cartridge according to claim 192 arranged for use in a print engine further comprising:
a cradle having a body adapted to receive the removable inkjet cartridge and to control the operation of the printhead for printing;
wherein the cradle is configured to be secured to the inkjet printer to receive print media from a media input tray and to deliver printed media to a media output tray.
203. The cartridge according to claim 192, wherein the pagewidth printhead assembly is mountable to said body and configured to receive ink from the one or more compartments and to distribute the ink along the length of the printhead assembly.
204. The cartridge according to claim 192, wherein the pagewidth printhead assembly is mountable to said body portion and is configured to receive ink from the one or more compartments for printing; the cartridge further comprising:
a capper unit mountable to said body portion so as to extend along the length of the printhead assembly, the capper unit housing a capping element which is movable with respect to the capper unit to contact a surface of the printhead assembly.
205. The cartridge according to claim 192, wherein the pagewidth printhead assembly is configured to receive ink from ink storage compartments and distribute said ink to a plurality of nozzles arranged in use to deliver the ink onto passing print media; and wherein the ink storage compartments comprise an absorption material which stores the ink therein under capillary action for supply to the nozzles of the printhead assembly.
206. The cartridge according to claim 192, wherein the pagewidth printhead assembly comprises:
a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
a plurality of integrated circuits extending the length of the printhead assembly, each integrated circuit having a plurality of nozzles formed in rows thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which the integrated circuits are fixed and which distributes the ink from the body portion to the nozzles of the integrated circuits;
wherein the integrated circuits are aligned in an abutting arrangement across the length of the ink distribution member.
207. The cartridge according to claim 192, wherein the pagewidth printhead assembly comprises:
a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles formed thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which the or each integrated circuit are fixed and which distributes the ink from the body portion to the nozzles of the or each integrated circuit;

wherein the body portion has one or more connectors formed thereon for securing the printhead assembly to the one or more ink sources to facilitate ink flow therebetween.
208. The cartridge according to claim 192, wherein the pagewidth printhead assembly comprises:
a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles formed thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which the or each integrated circuit is fixed and which distributes the ink from the body portion to the nozzles of the or each integrated circuit;
wherein an electrical connector in electrical communication with the or each integrated circuit extends along the length of the printhead assembly for mating with a corresponding electrical connector of the inkjet printer.
209. The cartridge according to claim 192, wherein the pagewidth printhead assembly comprises:
a body portion for receiving ink from one or more ink sources and having one or more channels formed therein for distributing the ink substantially along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which the or each integrated circuit is fixed and which distributes the ink from the body portion to each of the integrated circuits;
wherein the ink distribution member is a unitary element having a plurality of conduits formed therethrough, each of the conduits having an inlet which receives ink from one of the channels of the body portion and an outlet which delivers the ink to a predetermined number of ,nozzles of the one or more integrated circuits.
210. The cartridge according to claim 192, wherein the pagewidth printhead assembly comprises:
a body portion for receiving ink from one or more ink sources and having one or more channels formed therein for distributing the ink substantially along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, each integrated circuit having a plurality of nozzles, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which each integrated circuit is fixed and which distributes the ink from the body portion to each of the integrated circuits;

wherein the ink distribution member comprises a first layer which directs the ink from the one or more channels of the body portion for delivery to each integrated circuit, and a second layer attached to said first layer for receiving and securing each integrated circuit in a position to receive the ink from the first layer.
211. The cartridge according to claim 192, the cartridge having a capping assembly for capping the pagewidth printhead, the capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body and movable with respect to the body to cap at least a portion of said printhead ;
wherein, the body includes a mounting element for removably mounting said capping assembly to said printhead.
212. The cartridge according to claim 192, the cartridge having a capping assembly for capping the pagewidth printhead, the capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body, said capping element having a rim portion adapted to cap at least a portion of said printhead ;
wherein, the capping element is movable with respect to said body between a first and a second position, said first position being where said rim portion extends from said body, and said second position being where said rim portion is contained within said body.
213. The cartridge according to claim 192, the cartridge having a capping assembly for capping the pagewidth printhead, the capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body and movable with respect to said body between a first and a second position, said first position being where a portion of the capping element extends from said body, and said second position being where said capping element is contained within said body;
wherein, the capping element is biased into said first position.
214. The cartridge according to claim 192, the cartridge having a capping assembly for capping the pagewidth printhead, the capping assembly comprising:
a body configured to extend the length of the printhead;
a capping element housed within said body and having a rim portion adapted to cap at least a portion of the printhead;
a displacement assembly housed within the body for moving the capping element between a first position where the rim portion of the capping element extends from said body, and a second position where the rim portion of the capping element is contained within the body;
wherein, the displacement assembly is controlled by an electromagnet which determines the position.
215. The cartridge according to claim 192 arranged for use with a cradle unit comprising:
a body complementary to the cartridge; and a controller for controlling the operation of the printhead to facilitate printing;
wherein, a plurality of terminals are located along the length of the body to contact corresponding terminals located along the length of the removable inkjet cartridge to enable electrical communication between the controller and the cartridge.
216. The cartridge according to claim 192 arranged for use with a cradle unit comprising:
a body complementary to the cartridge;
a controller for controlling the operation of the printhead to facilitate printing; and a plurality of terminals in electrical communication with said controller for transmitting control signals from said controller to corresponding terminals provided on said cartridge;
wherein said plurality of terminals are arranged to pivotally engage with said corresponding terminals provided on said cartridge when said cartridge is received by said body.
217. The cartridge according to claim 192 arranged for use with a cradle unit comprising:
a body complementary to the cartridge; and a controller for,controlling the operation of the printhead to facilitate printing;
wherein, said body includes a cover assembly for enclosing the removable inkjet cartridge within the body, said cover assembly having at least one port formed therein through which a refill unit is received for refilling the ink supply of the cartridge.
218. The cartridge according to claim 192 arranged for use with a cradle unit comprising:
a body complementary to the cartridge; and a controller for controlling the operation of the printhead to facilitate printing;
wherein, said body is configured to receive a refill unit for supplying refill ink to the cartridge and includes a refill actuator for dispensing ink from said refill unit into said refillable ink supply.
219. The cartridge according to claim 192 arranged for use with a cradle unit for an inkjet printer comprising:
a body complementary to the cartridge; and a controller for controlling the operation of the printhead to facilitate printing;
wherein, said body includes an electromagnet assembly mounted thereto which is controlled by said controller for operating said capper assembly of the removable inkjet cartridge.
220. The cartridge according to claim 192 adapted for use with a cradle unit arranged for use with a cover assembly having a body, complementary to the cartridge, and a controller for controlling the operation of the printhead to facilitate printing;

wherein the cover assembly comprises at least one port formed therein through which a refill unit is received for refilling the ink supply of the cartridge.
221. The cartridge according to claim 192 adapted for use with a cradle unit of arranged for use with a cover assembly having a body, complementary to the cartridge, and an ink supply and a controller for controlling the operation of the printhead to facilitate printing;
wherein the cover assembly comprises a refill actuator for dispensing ink from an ink refill unit into said refillable ink supply.
222. The cartridge according to claim 192 adapted for use with an ink priming system for priming the cartridge, the system comprising:
a priming inlet provided on said printhead assembly for receiving a supply of ink for priming the cartridge; and an ink flow passage providing fluid connection between said printhead assembly and one of the ink storage compartments;
wherein the ink supplied to the priming inlet of the printhead assembly flows from the printhead assembly to the ink storage compartment via the ink flow passage to prime both the printhead assembly and the ink storage compartment with ink simultaneously.
223. The cartridge according to claim 192 adapted for use with an ink priming system for prinming the cartridge, the system comprising:
a priming inlet provided on said printhead assembly for receiving a supply of ink for priming the cartridge;
an ink flow passage providing fluid connection between said printhead assembly and one of the ink storage compartments; and a bypass flow passage providing additional fluid connection between the ink flow passage and the ink storage compartment;
wherein the ink supplied to the priming inlet of the printhead assembly flows from the printhead assembly to the ink storage compartment via the ink flow passage and the bypass flow passage to prime both the printhead assembly and the ink storage compartment with ink simultaneously.
224. The cartridge according to claim 192 arranged for use with a printing fluid refill cartridge having a printing fluid dispenser comprising:
a body storing printing fluid having an outlet through which the printing fluid is dispensed; and a selector arranged to select the amount of the printing fluid to be dispensed from the body.
225. The cartridge according to claim 192 adapted for refilling with a supply of printing fluid from a printing fluid refill cartridge by a method comprising the steps of:

removably mounting a dispenser of printing fluid to the printing unit so as to align an outlet of the dispenser with an inlet of a printing fluid storage chamber of the printing unit;
determining an amount of printing fluid needed to substantially refill the printing fluid storage chamber; and selectively dispensing an amount of printing fluid from the dispenser corresponding to the determined amount.
226. The cartridge according to claim 192 adapted for refilling with a supply of printing fluid from a printing fluid refill cartridge having a dispensing assembly comprising:
a body for storing printing fluid having an outlet through which the printing fluid is dispensed; and a plunger arranged to selectively change the storage capacity of the body and expel the printing fluid through said outlet by selective engagement of a movable retaining member with a series of grooves arranged along a surface of the plunger, thereby dispensing a selected amount of printing fluid from the outlet.
227. The inkjet cartridge according to claim 192 adapted for refilling with a supply of printing fluid from a printing fluid refill cartridge, the system for controlling refilling of the inkjet cartridge comprising:
an information storage element incorporated in the refill unit for storing information on the amount of printing fluid contained in the refill unit; and an information reader incorporated in the print engine for reading the information stored by the storage element when the refill unit is mounted to the print engine and for controlling the refilling of the print engine with the printing fluid contained in the refill unit based on the information read.
228. The cartridge according to claim 192 adapted for refilling with a supply of printing fluid from a printing fluid refill unit comprising an information storage element for storing information on the amount of printing fluid contained in the refill unit and for connecting with an information reader incorporated in the print engine for reading the information stored by the storage element when the refill unit is mounted to the print engine, wherein the information stored by the storage element enables the reader to control the refilling of the print engine with the printing fluid contained in the refill unit.
229. The inkjet cartridge according to claim 192 adapted for refilling with a supply of printing fluid from a printing fluid refill cartridge, wherein the method of controlling the refilling comprises the steps of :
storing information on an amount of printing fluid contained in the refill cartridge in an information storage element incorporated therein;
mounting the refill cartridge to the printing unit;
reading the information on the amount of printing fluid with an information reader incorporated in the printing unit; and controlling the refilling of the printing unit with printing fluid contained in the refill cartridge based on the information read.
230. The cartridge according to claim 192, the cartridge comprising a printing fluid storage device comprising a porous body having a plurality of individual channels arranged in an array to store printing fluid and supply the stored printing fluid to at least one printing fluid ejecting nozzle of a printhead of a printer unit, wherein a first end of each of the channels is in fluid communication with a printing fluid supply to extract printing fluid from the fluid supply for storage therein under capillary action and the stored printing fluid is supplied to the at least one nozzle under capillary action.
231. A cartridge unit for an inkjet printer comprising:
a body portion having a plurality of ink storage compartments; and a pagewidth printhead assembly configured to receive ink from ink storage compartments and distribute said ink to a plurality of nozzles arranged in use to deliver the ink onto passing print media;
wherein the ink storage compartments comprise an absorption material which stores the ink therein under capillary action for supply to the nozzles of the printhead assembly.
232. A cartridge unit according to claim 231, wherein each ink storage compartment is dedicated to storing a specific type of ink for supply to the nozzles of the printhead assembly.
233. A cartridge unit according to claim 232, wherein the type of ink is determined by the colour of the ink.
234. A cartridge unit according to claim 232, wherein each ink storage compartment separately supplies the ink to the printhead assembly.
235. A cartridge unit according to claim 234, wherein due to the capillary action of the absorption material, the ink is supplied to the printhead assembly under negative pressure, which prevents the ink from leaking from the nozzles during non-printing periods.
236. A cartridge unit according to claim 231, wherein the absorption material is foam.
237. The cartridge according to claim 231 wherein the inkjet printer comprises:
a media input tray for supplying print media for printing;
a print engine for printing an image on said print media; and a media output tray for collecting the printed media;
wherein the print engine comprises the cartridge and a cradle having a body adapted to receive the removable inkjet cartridge and to control the operation of the printhead assembly for printing;
238. The cartridge according to claim 231 arranged for use in a print engine further comprising:
a cradle having a body adapted to receive the removable inkjet cartridge and to control the operation of the printhead for printing;

wherein the cradle is configured to be secured to the inkjet printer to receive print media from a media input tray and to deliver printed media to a media output tray.
239. The cartridge according to claim 231, wherein the pagewidth printhead assembly is mountable to said body and configured to receive ink from the one or more compartments and to distribute the ink along the length of the printhead assembly.
240. The cartridge according to claim 231, wherein the pagewidth printhead assembly is mountable to said body portion and is configured to receive ink from the one or more compartments for printing; the cartridge further comprising:
a capper unit mountable to said body portion so as to extend along the length of the printhead assembly, the capper unit housing a capping element which is movable with respect to the capper unit to contact a surface of the printhead assembly.
241. The cartridge according to claim 231, wherein the cartridge further comprises an electrical connector in electrical communication with the nozzles of the printhead assembly and disposed along the length of the printhead assembly for mating with a corresponding connectors of the inkjet printer to control operation of the nozzles.
242. The cartridge according to claim 231, wherein the pagewidth printhead assembly comprises:
a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
a plurality of integrated circuits extending the length of the printhead assembly, each integrated circuit having a plurality of nozzles formed in rows thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which the integrated circuits are fixed and which distributes the ink from the body portion to the nozzles of the integrated circuits;
wherein the integrated circuits are aligned in an abutting arrangement across the length of the ink distribution member.
243. The cartridge according to claim 231, wherein the pagewidth printhead assembly comprises:
a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles formed thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which the or each integrated circuit are faced and which distributes the ink from the body portion to the nozzles of the or each integrated circuit;

wherein the body portion has one or more connectors formed thereon for securing the printhead assembly to the one or more ink sources to facilitate ink flow therebetween.
244. The cartridge according to claim 231, wherein the pagewidth printhead assembly comprises:
a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles formed thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which the or each integrated circuit is fixed and which distributes the ink from the body portion to the nozzles of the or each integrated circuit;
wherein an electrical connector in electrical communication with the or each integrated circuit extends along the length of the printhead assembly for mating with a corresponding electrical connector of the inkjet printer.
245. The cartridge according to claim 231, wherein the pagewidth printhead assembly comprises:
a body portion for receiving ink from one or more ink sources and having one or more channels formed therein for distributing the ink substantially along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which the or each integrated circuit is fixed and which distributes the ink from the body portion to each of the integrated circuits;
wherein the ink distribution member is a unitary element having a plurality of conduits formed therethrough, each of the conduits having an inlet which receives ink from one of the channels of the body portion and an outlet which delivers the ink to a predetermined number of nozzles of the one or more integrated circuits.
246. The cartridge according to claim 231, wherein the pagewidth printhead assembly comprises:
a body portion for receiving ink from one or more ink sources and having one or more channels formed therein for distributing the ink substantially along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, each integrated circuit having a plurality of nozzles, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which each integrated circuit is fixed and which distributes the ink from the body portion to each of the integrated circuits;

wherein the ink distribution member comprises a first layer which directs the ink from the one or more channels of the body portion for delivery to each integrated circuit, and a second layer attached to said first layer for receiving and securing each integrated circuit in a position to receive the ink from the first layer.
247. The cartridge according to claim 231, the cartridge having a capping assembly for capping the pagewidth printhead, the capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body and movable with respect to the body to cap at least a portion of said printhead ;
wherein, the body includes a mounting element for removably mounting said capping assembly to said printhead.
248. The cartridge according to claim 231, the cartridge having a capping assembly for capping the pagewidth printhead, the capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body, said capping element having a rim portion adapted to cap at least a portion of said printhead ;
wherein, the capping element is movable with respect to said body between a first and a second position, said first position being where said rim portion extends from said body, and said second position being where said rim portion is contained within said body.
249. The cartridge according to claim 231, the cartridge having a capping assembly for capping the pagewidth printhead, the capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body and movable with respect to said body between a first and a second position, said first position being where a portion of the capping element extends from said body, and said second position being where said capping element is contained within said body;
wherein, the capping element is biased into said first position.
250. The cartridge according to claim 231, the cartridge having a capping assembly for capping the pagewidth printhead, the capping assembly comprising:
a body configured to extend the length of the printhead;
a capping element housed within said body and having a rim portion adapted to cap at least a portion of the printhead;
a displacement assembly housed within the body for moving the capping element between a first position where the rim portion of the capping element extends from said body, and a second position where the rim portion of the capping element is contained within the body;
wherein, the displacement assembly is controlled by an electromagnet which determines the position.
251. The cartridge according to claim 231 arranged for use with a cradle unit comprising:
a body complementary to the cartridge; and a controller for controlling the operation of the printhead to facilitate printing;
wherein, a plurality of terminals are located along the length of the body to contact corresponding terminals located along the length of the removable inkjet cartridge to enable electrical communication between the controller and the cartridge.
252. The cartridge according to claim 231 arranged for use with a cradle unit comprising:
a body complementary to the cartridge;
a controller for controlling the operation of the printhead to facilitate printing; and a plurality of terminals in electrical communication with said controller for transmitting control signals from said controller to corresponding terminals provided on said cartridge;
wherein said plurality of terminals are arranged to pivotally engage with said corresponding terminals provided on said cartridge when said cartridge is received by said body.
253. The cartridge according to claim 231 arranged for use with a cradle unit comprising:
a body complementary to the cartridge; and a controller for controlling the operation of the printhead to facilitate printing;
wherein, said body includes a cover assembly for enclosing the removable inkjet cartridge within the body, said cover assembly having at least one port formed therein through which a refill unit is received for refilling the ink supply of the cartridge.
254. The cartridge according to claim 231 arranged for use with a cradle unit comprising:
a body complementary to the cartridge; and a controller for controlling the operation of the printhead to facilitate printing;
wherein, said body is configured to receive a refill unit for supplying refill ink to the cartridge and includes a refill actuator for dispensing ink from said refill unit into said refillable ink supply.
255. The cartridge according to claim 231 arranged for use with a cradle unit for an inkjet printer comprising:
a body complementary to the cartridge; and a controller for controlling the operation of the printhead to facilitate printing;
wherein, said body includes an electromagnet assembly mounted thereto which is controlled by said controller for operating said capper assembly of the removable inkjet cartridge.
256. The cartridge according to claim 231 adapted for use with a cradle unit arranged for use with a cover assembly having a body, complementary to the cartridge, and a controller for controlling the operation of the printhead to facilitate printing;

wherein the cover assembly comprises at least one port formed therein through which a refill unit is received for refilling the ink supply of the cartridge.
257. The cartridge according to claim 231 adapted for use with a cradle unit of arranged for use with a cover assembly having a body, complementary to the cartridge, and an ink supply and a controller for controlling the operation of the printhead to facilitate printing;
wherein the cover assembly comprises a refill actuator for dispensing ink from an ink refill unit into said refillable ink supply.
258. The cartridge according to claim 231 adapted for use with an ink priming system for priming the cartridge, the system comprising:
a priming inlet provided on said printhead assembly for receiving a supply of ink for priming the cartridge; and an role flow passage providing fluid connection between said printhead assembly and one of the ink storage compartments;
wherein the ink supplied to the priming inlet of the printhead assembly flows from the printhead assembly to the ink storage compartment via the ink flow passage to prime both the printhead assembly and the ink storage compartment with ink simultaneously.
259. The cartridge according to claim 231 adapted for use with an ink priming system for prinming the cartridge, the system comprising:
a priming inlet provided on said printhead assembly for receiving a supply of ink for priming the cartridge;
an ink flow passage providing fluid connection between said printhead assembly and one of the ink storage compartments; and a bypass flow passage providing additional fluid connection between the ink flow passage and the ink storage compartment;
wherein the ink supplied to the priming inlet of the printhead assembly flows from the printhead assembly to the ink storage compartment via the ink flow passage and the bypass flow passage to prime both the printhead assembly and the ink storage compartment with ink simultaneously.
260. The cartridge according to claim 231 arranged for use with a printing fluid refill cartridge having a printing fluid dispenser comprising:
a body storing printing fluid having an outlet through which the printing fluid is dispensed; and a selector arranged to select the amount of the printing fluid to be dispensed from the body.
261. The cartridge according to claim 231 adapted for refilling with a supply of printing fluid from a printing fluid refill cartridge by a method comprising the steps of:

removably mounting a dispenser of printing fluid to the printing unit so as to align an outlet of the dispenser with an inlet of a printing fluid storage chamber of the printing unit;
determining an amount of printing fluid needed to substantially refill the printing fluid storage chamber; and selectively dispensing an amount of printing fluid from the dispenser corresponding to the determined amount.
262. The cartridge according to claim 231 adapted for refilling with a supply of printing fluid from a printing fluid refill cartridge having a dispensing assembly comprising:
a body for storing printing fluid having an outlet through which the printing fluid is dispensed; and a plunger arranged to selectively change the storage capacity of the body and expel the printing fluid through said outlet by selective engagement of a movable retaining member with a series of grooves arranged along a surface of the plunger, thereby dispensing a selected amount of printing fluid from the outlet.
263. The inkjet cartridge according to claim 231 adapted for refilling with a supply of printing fluid from a printing fluid refill cartridge, the system for controlling refilling of the inkjet cartridge comprising:
an information storage element incorporated in the refill unit for storing information on the amount of printing fluid contained in the refill unit; and an information reader incorporated in the print engine for reading the information stored by the storage element when the refill unit is mounted to the print engine and for controlling the refilling of the print engine with the printing fluid contained in the refill unit based on the information read.
264. The cartridge according to claim 231 adapted for refilling with a supply of printing fluid from a printing fluid refill unit comprising an information storage element for storing information on the amount of printing fluid contained in the refill unit and for connecting with an information reader incorporated in the print engine for reading the information stored by the storage element when the refill unit is mounted to the print engine, wherein the information stored by the storage element enables the reader to control the refilling of the print engine with the printing fluid contained in the refill unit.
265. The inkjet cartridge according to claim 231 adapted for refilling with a supply of printing fluid from a printing fluid refill cartridge, wherein the method of controlling the refilling comprises the steps of :
storing information on an amount of printing fluid contained in the refill cartridge in an information storage element incorporated therein;
mounting the refill cartridge to the printing unit;
reading the information on the amount of printing fluid with an information reader incorporated in the printing unit; and controlling the refilling of the printing unit with printing fluid contained in the refill cartridge based on the information read.
266. The cartridge according to claim 231, the cartridge comprising a printing fluid storage device comprising a porous body having a plurality of individual channels arranged in an array to store printing fluid and supply the stored printing fluid to at least one printing fluid ejecting nozzle of a printhead of a printer unit, wherein a first end of each of the channels is in fluid communication with a printing fluid supply to extract printing fluid from the fluid supply for storage therein under capillary action and the stored printing fluid is supplied to the at least one nozzle under capillary action.
267. A pagewidth printhead assembly for an inkjet printer comprising:
a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
a plurality of integrated circuits extending the length of the printhead assembly, each integrated circuit having a plurality of nozzles formed in rows thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which the integrated circuits are fixed and which distributes the ink from the body portion to the nozzles of the integrated circuits;
wherein the integrated circuits are aligned in an abutting arrangement across the length of the ink distribution member.
268. A pagewidth printhead assembly according to claim 267, wherein the integrated circuits abut in an end-to-end arrangement across the length of the ink distribution member.
269. A pagewidth printhead assembly according to claim 268, wherein the ends of the integrated circuits are shaped to have a straight edge to facilitate a rectangular join between neighbouring integrated circuits.
270. A pagewidth printhead assembly according to claim 268, wherein the ends of the integrated circuits are shaped to have an angled edge to facilitate a sloping join between neighbouring integrated circuits.
271. A pagewidth printhead assembly according to claim 270, wherein neighbouring integrated circuits are vertically offset from each other along the length of the ink distribution member.
272. A pagewidth printhead assembly according to claim 270, wherein the rows of nozzles are arranged in a sloping arrangement across the surface of the integrated circuits.
273. A pagewidth printhead assembly according to claim 270, wherein the angled edge has an angle of 45°.
274. A pagewidth printhead assembly according to claim 272, wherein the angled edge has a sawtooth profile.
275. A pagewidth printhead assembly according to claim 270, wherein the nozzles of each of the rows adjacent one end of the integrated circuits are vertically displaced with respect to the remainder of the nozzles to provide a degree of nozzle overlap at the join and to maintain nozzle pitch across the join.
276. A pagewidth printhead assembly according to claim 275, wherein the vertically displaced nozzles are arranged in a triangular configuration.
277. A pagewidth printhead assembly according to claim 275, wherein the vertically displaced nozzles are arranged in a trapezoidal configuration.
278. A pagewidth printhead assembly according to claim 268, wherein the distance of separation between neighbouring integrated circuits is less than 15 microns.
279. The pagewidth printhead assembly according to claim 267, wherein the inkjet printer comprises:
a media input tray for supplying print media for printing;
a print engine for printing an image on said print media; and a media output tray for collecting the printed media;
wherein the print engine comprises a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply and a cradle having a body adapted to receive the removable inkjet cartridge and to control the operation of the printhead for printing.
280. The pagewidth printhead assembly according to claim 267, wherein the printhead is arranged for use in a print engine of the inkjet printer, the print engine comprising:
a removable inkjet cartridge of a type having the pagewidth printhead and an ink supply; and a cradle having a body adapted to receive the removable inkjet cartridge and to control the operation of the printhead for printing;
wherein the cradle is configured to be secured to the inkjet printer to receive print media from a media input tray and to deliver printed media to a media output tray.
281. The pagewidth printhead assembly according to claim 267, wherein the printhead is arranged for use with a cartridge unit comprising:
a body portion having one or more ink storage compartments; and a pagewidth printhead assembly mountable to said body and configured to receive ink from the one or more compartments and to distribute the ink along the length of the printhead assembly.
282. The pagewidth printhead assembly according to claim 267, wherein the printhead is arranged for use with a cartridge unit comprising:
a body portion having one or more ink storage compartments;

a pagewidth printhead assembly mountable to said body portion and configured to receive ink from the one or more compartments for printing; and a capper unit mountable to said body portion so as to extend along the length of the printhead assembly, the capper unit housing a capping element which is movable with respect to the capper unit to contact a surface of the printhead assembly.
283. The pagewidth printhead assembly according to claim 267, wherein the printhead is arranged for use with a cartridge unit comprising:
a body portion housing one or more ink storage compartments;
a pagewidth printhead assembly configured to receive ink from the one or more ink storage compartments and having a plurality of nozzles arranged in use to deliver the ink onto passing print media;
and an electrical connector in electrical communication with the nozzles of the printhead assembly and disposed along the length of the printhead assembly for mating with a corresponding connectors of the inkjet printer to control operation of the nozzles.
284. The pagewidth printhead assembly according to claim 267, wherein the printhead is arranged for use with a cartridge unit comprising:
a body portion having a plurality of ink storage compartments; and a pagewidth printhead assembly configured to receive ink from ink storage compartments and distribute said ink to a plurality of nozzles arranged in use to deliver the ink onto passing print media;
wherein the ink storage compartments comprise an absorption material which stores the ink therein under capillary action for supply to the nozzles of the printhead assembly.
285. The pagewidth printhead assembly according to claim 267, wherein the body portion has one or more connectors formed thereon for securing the printhead assembly to the one or more ink sources to facilitate ink flow therebetween.
286. The pagewidth printhead assembly according to claim 267, wherein an electrical connector in electrical communication with the or each integrated circuit extends along the length of the printhead assembly for mating with a corresponding electrical connector of the inkjet printer.
287. The pagewidth printhead assembly according to claim 267, wherein the body portion has one or more channels formed therein for distributing the ink substantially along the length of the printhead assembly and wherein the ink distribution member is a unitary element having a plurality of conduits formed therethrough, each of the conduits having an inlet which receives ink from one of the channels of the body portion and an outlet which delivers the ink to a predetermined number of nozzles of the one or more integrated circuits.
288. The pagewidth printhead assembly according to claim 267, wherein the ink distribution member comprises a first layer which directs the ink from the one or more channels of the body portion for delivery to each integrated circuit, and a second layer attached to said first layer for receiving and securing each integrated circuit in a position to receive the ink from the first layer.
289. The pagewidth printhead assembly according to claim 267, wherein the printhead of the assembly is arranged for use with a capping assembly for capping the printhead, the capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body and movable with respect to the body to cap at least a portion of said printhead ;
wherein, the body includes a mounting element for removably mounting said capping assembly to said printhead.
290. The pagewidth printhead assembly according to claim 267, wherein the printhead is arranged for use with a capping assembly for capping the pagewidth printhead of the pagewidth printhead assembly, the capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body, said capping element having a rim portion adapted to cap at least a portion of said printhead ;
wherein, the capping element is movable with respect to said body between a first and a second position, said first position being where said rim portion extends from said body, and said second position being where said rim portion is contained within said body.
291. The pagewidth printhead assembly according to claim 267, the printhead being arranged for use with a capping assembly for capping the pagewidth printhead of the pagewidth printhead assembly, the capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body and movable with respect to said body between a first and a second position, said first position being where a portion of the capping element extends from said body, and said second position being where said capping element is contained within said body;
wherein, the capping element is biased into said first position.
292. The pagewidth printhead assembly according to claim 267, the printhead being arranged for use with a capping assembly for capping the pagewidth printhead of the pagewidth printhead assembly, the capping assembly comprising:
a body configured to extend the length of the printhead;
a capping element housed within said body and having a rim portion adapted to cap at least a portion of the printhead;

a displacement assembly housed within the body for moving the capping element between a first position where the rim portion of the capping element extends from said body, and a second position where the rim portion of the capping element is contained within the body;
wherein, the displacement assembly is controlled by an electromagnet which determines the position.
293. The pagewidth printhead assembly according to claim 267, the printhead of the assembly being arranged for use with a cradle unit comprising:
a body complementary to a removable inkjet cartridge; and a controller for controlling the operation of the printhead to facilitate printing;
wherein, a plurality of terminals are located along the length of the body to contact corresponding terminals located along the length of the removable inkjet cartridge to enable electrical communication between the controller and the cartridge.
294. The pagewidth printhead assembly according to claim 267, the printhead of the assembly being arranged for use with a cradle unit comprising:
a body complementary to a removable inkjet cartridge;
a controller for controlling the operation of the printhead to facilitate printing; and a plurality of terminals in electrical communication with said controller for transmitting control signals from said controller to corresponding terminals provided on said cartridge;
wherein said plurality of terminals are arranged to pivotally engage with said corresponding terminals provided on said cartridge when said cartridge is received by said body.
295. The pagewidth printhead assembly according to claim 267, the printhead of the assembly being arranged for use with a cradle unit comprising:
a body complementary to a removable inkjet cartridge associated with the printhead and a refillable ink supply; and a controller for controlling the operation of the printhead to facilitate printing;
wherein, said body includes a cover assembly for enclosing the removable inkjet cartridge within the body, said cover assembly having at least one port formed therein through which a refill unit is received for refilling the ink supply of the cartridge.
296. The pagewidth printhead assembly according to claim 267, the printhead of the assembly being arranged for use with a cradle unit comprising:
a body complementary to a removable inkjet cartridge associated with the printhead and a refillable ink supply; and a controller for controlling the operation of the printhead to facilitate printing;
wherein, said body is configured to receive a refill unit for supplying refill ink to the cartridge and includes a refill actuator for dispensing ink from said refill unit into said refillable ink supply.
297. The pagewidth printhead assembly according to claim 267, the printhead of the assembly being arranged for use with a cradle unit comprising:
a body complementary to a removable inkjet cartridge of associated with the printhead, an ink supply and a capper assembly; and a controller for controlling the operation of the printhead to facilitate printing;
wherein, said body includes an electromagnet assembly mounted thereto which is controlled by said controller for operating said capper assembly of the removable inkjet cartridge.
298. The pagewidth printhead assembly according to claim 267, the printhead of the assembly being arranged for use with a cradle unit having a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply and a controller for controlling the operation of the printhead to facilitate printing;
wherein the cradle unit is arranged for engagement with a cover assembly comprising:
at least one port formed therein through which a refill unit is received for refilling the ink supply of the cartridge.
299. The pagewidth printhead assembly according to claim 267, the printhead of the assembly being arranged for use with a cradle unit having a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply and a controller for controlling the operation of the printhead to facilitate printing;
wherein the cradle unit is arranged for engagement with a cover assembly comprising a refill actuator for dispensing ink from an ink refill unit into said refillable ink supply.
300. The pagewidth printhead assembly according to claim 267, the assembly being arranged in fluid communication with one or more ink storage compartments within a cartridge unit, the cartridge unit being arranged for use with an ink priming system comprising:
a priming inlet provided on said printhead assembly for receiving a supply of ink for priming the cartridge unit; and an ink flow passage providing fluid connection between said printhead assembly and one of the ink storage compartments;
wherein the ink supplied to the priming inlet of the printhead assembly flows from the printhead assembly to the ink storage compartment via the ink flow passage to prime both the printhead assembly and the ink storage compartment with ink simultaneously.
301. The pagewidth printhead assembly according to claim 267, the assembly being arranged in fluid communication with one or more ink storage compartments within a cartridge unit, the cartridge unit being arranged for use with an ink priming system comprising:
a priming inlet provided on said printhead assembly for receiving a supply of ink for priming the cartridge unit;

an ink flow passage providing fluid connection between said printhead assembly and one of the ink storage compartments; and a bypass flow passage providing additional fluid connection between the ink flow passage and the ink storage compartment;
wherein the ink supplied to the priming inlet of the printhead assembly flows from the printhead assembly to the ink storage compartment via the ink flow passage and the bypass flow passage to prime both the printhead assembly and the ink storage compartment with ink simultaneously.
302. The pagewidth printhead assembly according to claim 267, the assembly being arranged for use in a cartridge unit adapted for refilling from a printing fluid refill cartridge that is arranged for use with a printing fluid dispenser comprising:
a body storing printing fluid having an outlet through which the printing fluid is dispensed; and a selector arranged to select the amount of the printing fluid to be dispensed from the body.
303. The pagewidth printhead assembly according to claim 267, the assembly being arranged for use in a printing unit, which is adapted for refilling with a supply of printing fluid by a method comprising the steps of:
removably mounting a dispenser of printing fluid to the printing unit so as to align an outlet of the dispenser with an inlet of a printing fluid storage chamber of the printing unit;
determining an amount of printing fluid needed to substantially refill the printing fluid storage chamber; and selectively dispensing an amount of printing fluid from the dispenser corresponding to the determined amount.
304. The pagewidth printhead assembly according to claim 267, the assembly being arranged for use in a cartridge unit adapted for refilling from a printing fluid refill cartridge having a dispensing assembly comprising:
a body for storing printing fluid having an outlet through which the printing fluid is dispensed; and a plunger arranged to selectively change the storage capacity of the body and expel the printing fluid through said outlet by selective engagement of a movable retaining member with a series of grooves arranged along a surface of the plunger, thereby dispensing a selected amount of printing fluid from the outlet.
305. The pagewidth printhead assembly according to claim 267, the assembly being arranged for use in a print engine adapted for refilling from a printing fluid refill unit , wherein the refilling is controlled by a system comprising:
an information storage element incorporated in the refill unit for storing information on the amount of printing fluid contained in the refill unit; and an information reader incorporated in the print engine for reading the information stored by the storage element when the refill unit is mounted to the print engine and for controlling the refilling of the print engine with the printing fluid contained in the refill unit based on the information read.
306. The pagewidth printhead assembly according to claim 267, the assembly being arranged for use in a print engine adapted for refilling from a printing fluid refill unit comprising an information storage element for storing information on the amount of printing fluid contained in the refill unit and for connecting with an information reader incorporated in the print engine for reading the information stored by the storage element when the refill unit is mounted to the print engine, wherein the information stored by the storage element enables the reader to control the refilling of the print engine with the printing fluid contained in the refill unit.
307. The pagewidth printhead assembly according to claim 267, the assembly being arranged for use with a printing unit adapted for refilling by a printing fluid refill cartridge wherein the refilling is controlled by a method comprising the steps of :
storing information on an amount of printing fluid contained in the refill cartridge in an information storage element incorporated therein;
mounting the refill cartridge to the printing unit;
reading the information on the amount of printing fluid with an information reader incorporated in the printing unit; and controlling the refilling of the printing unit with printing fluid contained in the refill cartridge based on the information read.
308. The pagewidth printhead assembly according to claim 267, the assembly being arranged for use in a printing cartridge having a printing fluid storage device comprising a porous body having a plurality of individual channels arranged in an array to store printing fluid and supply the stored printing fluid to at least one printing fluid ejecting nozzle of a printhead of a printer unit, wherein a first end of each of the channels is in fluid communication with, a printing fluid supply to extract printing fluid from the fluid supply for storage therein under capillary action and the stored printing fluid is supplied to the at least one nozzle under capillary action.
309. A pagewidth printhead assembly for an inkjet printer comprising:
a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles formed thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which the or each integrated circuit are fixed and which distributes the ink from the body portion to the nozzles of the or each integrated circuit;
wherein the body portion has one or more connectors formed thereon for securing the printhead assembly to the one or more ink sources to facilitate ink flow therebetween.
310. A pagewidth printhead assembly according to claim 309, wherein the connectors extend from a surface of the body portion and engage with retaining means provided on the one or more ink sources to removably secure the printhead assembly thereto.
311. A pagewidth printhead assembly according to claim 310, wherein one or more ink inlets are formed on the surface of the body portion to mate with corresponding ink outlets provided on the ink sources to permit controlled ink flow therebetween when the body portion is secured to the one or more ink sources.
312. A pagewidth printhead assembly according to claim 311, wherein the one or more ink sources are provided within a cartridge unit and the printhead assembly is removably secured to the cartridge unit.
313. The pagewidth printhead assembly according to claim 309, wherein the inkjet printer comprises:
a media input tray for supplying print media for printing;
a print engine for printing an image on said print media; and a media output tray for collecting the printed media;
wherein the print engine comprises a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply and a cradle having a body adapted to receive the removable inkjet cartridge and to control the operation of the printhead for printing;
314. The pagewidth printhead assembly according to claim 309, wherein the printhead is arranged for use in a print engine of the inkjet printer, the print engine comprising:
a removable inkjet cartridge of a type having the pagewidth printhead and an ink supply; and a cradle having a body adapted to receive the removable inkjet cartridge and to control the operation of the printhead for printing;
wherein the cradle is configured to be secured to the inkjet printer to receive print media from a media input tray and to deliver printed media to a media output tray.
315. The pagewidth printhead assembly according to claim 309, wherein the printhead is arranged for use with a cartridge unit comprising:
a body portion having one or more ink storage compartments; and a pagewidth printhead assembly mountable to said body and configured to receive ink from the one or more compartments and to distribute the ink along the length of the printhead assembly.
316. The pagewidth printhead assembly according to claim 309, wherein the printhead is arranged for use with a cartridge unit comprising:
a body portion having one or more ink storage compartments;
a pagewidth printhead assembly mountable to said body portion and configured to receive ink from the one or more compartments for printing; and a capper unit mountable to said body portion so as to extend along the length of the printhead assembly, the capper unit housing a capping element which is movable with respect to the capper unit to contact a surface of the printhead assembly.
317. The pagewidth printhead assembly according to claim 309, wherein the printhead is arranged for use with a cartridge unit comprising:
a body portion housing one or more ink storage compartments;
a pagewidth printhead assembly configured to receive ink from the one or more ink storage compartments and having a plurality of nozzles arranged in use to deliver the ink onto passing print media;
and an electrical connector in electrical communication with the nozzles of the printhead assembly and disposed along the length of the printhead assembly for mating with a corresponding connectors of the inkjet printer to control operation of the nozzles.
318. The pagewidth printhead assembly according to claim 309, wherein the printhead is arranged for use with a cartridge unit comprising:
a body portion having a plurality of ink storage compartments; and a pagewidth printhead assembly configured to receive ink from ink storage compartments and distribute said ink to a plurality of nozzles arranged in use to deliver the ink onto passing print media;
wherein the ink storage compartments comprise an absorption material which stores the ink therein under capillary action for supply to the nozzles of the printhead assembly.
319. A pagewidth printhead assembly according to claim 309, wherein the integrated circuits are aligned in an abutting arrangement across the length of the ink distribution member.
320. The pagewidth printhead assembly according to claim 309, wherein an electrical connector in electrical communication with the or each integrated circuit extends along the length of the printhead assembly for mating with a corresponding electrical connector of the inkjet printer.
321. The pagewidth printhead assembly according to claim 309, wherein the body portion has one or more channels formed therein for distributing the role substantially along the length of the printhead assembly and wherein the ink distribution member is a unitary element having a plurality of conduits formed therethrough, each of the conduits having an inlet which receives ink from one of the channels of the body portion and an outlet which delivers the ink to a predetermined number of nozzles of the one or more integrated circuits.
322. The pagewidth printhead assembly according to claim 309, wherein the ink distribution member comprises a first layer which directs the ink from the one or more channels of the body portion for delivery to each integrated circuit, and a second layer attached to said first layer for receiving and securing each integrated circuit in a position to receive the ink from the first layer.
323. The pagewidth printhead assembly according to claim 309, wherein the printhead of the assembly is arranged for use with a capping assembly for capping the printhead, the capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body and movable with respect to the body to cap at least a portion of said printhead ;
wherein, the body includes a mounting element for removably mounting said capping assembly to said printhead.
324. The pagewidth printhead assembly according to claim 309, wherein the printhead is arranged for use with a capping assembly for capping the pagewidth printhead of the pagewidth printhead assembly, the capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body, said capping element having a rim portion adapted to cap at least a portion of said printhead ;
wherein, the capping element is movable with respect to said body between a first and a second position, said first position being where said rim portion extends from said body, and said second position being where said rim portion is contained within said body.
325. The pagewidth printhead assembly according to claim 309, the printhead being arranged for use with a capping assembly for capping the pagewidth printhead of the pagewidth printhead assembly, the capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body and movable with respect to said body between a first and a second position, said first position being where a portion of the capping element extends from said body, and said second position being where said capping element is contained within said body;
wherein, the capping element is biased into said first position.
326. The pagewidth printhead assembly according to claim 309, the printhead being arranged for use with a capping assembly for capping the pagewidth printhead of the pagewidth printhead assembly, the capping assembly comprising:
a body configured to extend the length of the printhead;
a capping element housed within said body and having a rim portion adapted to cap at least a portion of the printhead;

a displacement assembly housed within the body for moving the capping element between a first position where the rim portion of the capping element extends from said body, and a second position where the rim portion of the capping element is contained within the body;
wherein, the displacement assembly is controlled by an electromagnet which determines the position.
327. The pagewidth printhead assembly according to claim 309, the printhead of the assembly being arranged for use with a cradle unit comprising:
a body complementary to a removable inkjet cartridge; and a controller for controlling the operation of the printhead to facilitate printing;
wherein, a plurality of terminals are located along the length of the body to contact corresponding terminals located along the length of the removable inkjet cartridge to enable electrical communication between the controller and the cartridge.
328. The pagewidth printhead assembly according to claim 309, the printhead of the assembly being arranged for use with a cradle unit comprising:
a body complementary to a removable inkjet cartridge;
a controller for controlling the operation of the printhead to facilitate printing; and a plurality of terminals in electrical communication with said controller for transmitting control signals from said controller to corresponding terminals provided on said cartridge;
wherein said plurality of terminals are arranged to pivotally engage with said corresponding terminals provided on said cartridge when said cartridge is received by said body.

328. The pagewidth printhead assembly according to claim 309, the printhead of the assembly being arranged for use with a cradle unit comprising:
a body complementary to a removable inkjet cartridge associated with the printhead and a refillable ink supply; and a controller for controlling the operation of the printhead to facilitate printing;
wherein, said body includes a cover assembly for enclosing the removable inkjet cartridge within the body, said cover assembly having at least one port formed therein through which a refill unit is received for refilling the ink supply of the cartridge.
329. The pagewidth printhead assembly according to claim 309, the printhead of the assembly being arranged for use with a cradle unit comprising:
a body complementary to a removable inkjet cartridge associated with the printhead and a refillable ink supply; and a controller for controlling the operation of the printhead to facilitate printing;
wherein, said body is configured to receive a refill unit for supplying refill ink to the cartridge and includes a refill actuator for dispensing ink from said refill unit into said refillable ink supply.
330. The pagewidth printhead assembly according to claim 309, the printhead of the assembly being arranged for use with a cradle unit comprising:
a body complementary to a removable inkjet cartridge of associated with the printhead, an ink supply and a capper assembly; and a controller for controlling the operation of the printhead to facilitate printing;
wherein, said body includes an electromagnet assembly mounted thereto which is controlled by said controller for operating said capper assembly of the removable inkjet cartridge.
331. The pagewidth printhead assembly according to claim 309, the printhead of the assembly being arranged for use with a cradle unit having a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply and a controller for controlling the operation of the printhead to facilitate printing;
332. wherein the cradle unit is arranged for engagement with a cover assembly comprising:
at least one port formed therein through which a refill unit is received for refilling the ink supply of the cartridge.

334. The pagewidth printhead assembly according to claim 309, the printhead of the assembly being arranged for use with a cradle unit having a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply and a controller for controlling the operation of the printhead to facilitate printing;
wherein the cradle unit is arranged for engagement with a cover assembly comprising a refill actuator for dispensing ink from an ink refill unit into said refillable ink supply.

335. The pagewidth printhead assembly according to claim 309, the assembly being arranged in fluid communication with one or more ink storage compartments within a cartridge unit, the cartridge unit being arranged for use with an ink priming system comprising:
a priming inlet provided on said printhead assembly for receiving a supply of ink for priming the cartridge unit; and an ink flow passage providing fluid connection between said printhead assembly and one of the ink storage compartments;
wherein the ink supplied to the priming inlet of the printhead assembly flows from the printhead assembly to the ink storage compartment via the ink flow passage to prime both the printhead assembly and the ink storage compartment with ink simultaneously.

336. The pagewidth printhead assembly according to claim 309, the assembly being arranged in fluid communication with one or more ink storage compartments within a cartridge unit, the cartridge unit being arranged for use with an ink priming system comprising:

a priming inlet provided on said printhead assembly for receiving a supply of ink for priming the cartridge unit;
an ink flow passage providing fluid connection between said printhead assembly and one of the ink storage compartments; and a bypass flow passage providing additional fluid connection between the ink flow passage and the ink storage compartment;
wherein the ink supplied to the priming inlet of the printhead assembly flows from the printhead assembly to the ink storage compartment via the ink flow passage and the bypass flow passage to prime both the printhead assembly and the ink storage compartment with ink simultaneously.

337. The pagewidth printhead assembly according to claim 309, the assembly being arranged for use in a cartridge unit adapted for refilling from a printing fluid refill cartridge that is arranged for use with a printing fluid dispenser comprising:
a body storing printing fluid having an outlet through which the printing fluid is dispensed; and a selector arranged to select the amount of the printing fluid to be dispensed from the body.

338. The pagewidth printhead assembly according to claim 309, the assembly being arranged for use in a printing unit, which is adapted for refilling with a supply of printing fluid by a method comprising the steps of:
removably mounting a dispenser of printing fluid to the printing unit so as to align an outlet of the dispenser with an inlet of a printing fluid storage chamber of the printing unit;
determining an amount of printing fluid needed to substantially refill the printing fluid storage chamber; and selectively dispensing an amount of printing fluid from the dispenser corresponding to the determined amount.

339. The pagewidth printhead assembly according to claim 309, the assembly being arranged for use in a cartridge unit adapted for refilling from a printing fluid refill cartridge having a dispensing assembly comprising:
a body for storing printing fluid having an outlet through which the printing fluid is dispensed; and a plunger arranged to selectively change the storage capacity of the body and expel the printing fluid through said outlet by selective engagement of a movable retaining member with a series of grooves arranged along a surface of the plunger, thereby dispensing a selected amount of printing fluid from the outlet.

340. The pagewidth printhead assembly according to claim 309, the assembly being arranged for use in a print engine adapted for refilling from a printing fluid refill unit , wherein the refilling is controlled by a system comprising:
an information storage element incorporated in the refill unit for storing information on the amount of printing fluid contained in the refill unit; and an information reader incorporated in the print engine for reading the information stored by the storage element when the refill unit is mounted to the print engine and for controlling the refilling of the print engine with the printing fluid contained in the refill unit based on the information read.

341. The pagewidth printhead assembly according to claim 309, the assembly being arranged for use in a print engine adapted for refilling from a printing fluid refill unit comprising an information storage element for storing information on the amount of printing fluid contained in the refill unit and for connecting with an information reader incorporated in the print engine for reading the information stored by the storage element when the refill unit is mounted to the print engine, wherein the information stored by the storage element enables the reader to control the refilling of the print engine with the printing fluid contained in the refill unit.

342. The pagewidth printhead assembly according to claim 309, the assembly being arranged for use with a printing unit adapted for refilling by a printing fluid refill cartridge wherein the refilling is controlled by a method comprising the steps of :
storing information on an amount of printing fluid contained in the refill cartridge in an information storage element incorporated therein;
mounting the refill cartridge to the printing unit;
reading the information on the amount of printing fluid with an information reader incorporated in the printing unit; and controlling the refilling of the printing unit with printing fluid contained in the refill cartridge based on the information read.

343. The pagewidth printhead assembly according to claim 309, the assembly being arranged for use in a printing cartridge having a printing fluid storage device comprising a porous body having a plurality of individual channels arranged in an array to store printing fluid and supply the stored printing fluid to at least one printing fluid ejecting nozzle of a printhead of a printer unit, wherein a first end of each of the channels is in fluid communication with a printing fluid supply to extract printing fluid from the fluid supply for storage therein under capillary action and the stored printing fluid is supplied to the at least one nozzle under capillary action.

344. A pagewidth printhead assembly for an inkjet printer comprising:
a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles formed thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which the or each integrated circuit is fixed and which distributes the ink from the body portion to the nozzles of the or each integrated circuit;

wherein an electrical connector in electrical communication with the or each integrated circuit extends along the length of the printhead assembly for mating with a corresponding electrical connector of the inkjet printer.

345. A pagewidth printhead assembly according to claim 344, wherein each integrated circuit has one or more contact pads formed along an edge thereof to which one end of the electrical connector is attached to enable electrical communication therebetween.

346. A pagewidth printhead assembly according to claim 345, wherein the free end of the electrical connector is provided with a plurality of contacts for receiving power and/or data from the printer unit for transmission to the corresponding contact pads of the integrated circuits.

347. A pagewidth printhead assembly according to claim 346, wherein the electrical connector is of sufficient length and flexibility to extend around the printhead assembly.

348. A pagewidth printhead assembly according to claim 347, wherein the free end of the electrical connector is configured to be received along a surface of a cartridge unit when the printhead assembly is secured to the cartridge unit.

349. A pagewidth printhead assembly according to claim 348, wherein the free end of the electrical connector has a plurality of holes formed therealong, each of the said holes configured to receive a stud formed on the cartridge unit to retain the free end of the electrical connector in position upon a surface of the cartridge unit.

350. A pagewidth printhead assembly according to claim 349, wherein when the free end of the electrical connector is retained in position upon a surface of the cartridge unit, the plurality of contacts are exposed upon the surface of the electrical connector.

351. A pagewidth printhead assembly according to claim 350, wherein the electrical connector is a flexible printed circuit board 352. The pagewidth printhead assembly according to claim 344, wherein the inkjet printer comprises:
a media input tray for supplying print media for printing;
a print engine for printing an image on said print media; and a media output tray for collecting the printed media;
wherein the print engine comprises a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply and a cradle having a body adapted to receive the removable inkjet cartridge and to control the operation of the printhead for printing;

353. The pagewidth printhead assembly according to claim 344, wherein the printhead is arranged for use in a print engine of the inkjet printer; the print engine comprising:
a removable inkjet cartridge of a type having the pagewidth printhead and an ink supply; and a cradle having a body adapted to receive the removable inkjet cartridge and to control the operation of the printhead for printing;
wherein the cradle is configured to be secured to the inkjet printer to receive print media from a media input tray and to deliver printed media to a media output tray.

354. The pagewidth printhead assembly according to claim 344, wherein the printhead is arranged for use with a cartridge unit comprising:
a body portion having one or more ink storage compartments; and a pagewidth printhead assembly mountable to said body and configured to receive ink from the one or more compartments and to distribute the ink along the length of the printhead assembly.

355. The pagewidth printhead assembly according to claim 344, wherein the printhead is arranged for use with a cartridge unit comprising:
a body portion having one or more ink storage compartments;
a pagewidth printhead assembly mountable to said body portion and configured to receive ink from the one or more compartments for printing; and a capper unit mountable to said body portion so as to extend along the length of the printhead assembly, the capper unit housing a capping element which is movable with respect to the capper unit to contact a surface of the printhead assembly.

356. The pagewidth printhead assembly according to claim 344, wherein the printhead is arranged for use with a cartridge unit comprising:
a body portion housing one or more ink storage compartments;
a pagewidth printhead assembly configured to receive ink from the one or more ink storage compartments and having a plurality of nozzles arranged in use to deliver the ink onto passing print media;
and an electrical connector in electrical communication with the nozzles of the printhead assembly and disposed along the length of the printhead assembly for mating with a corresponding connectors of the inkjet printer to control operation of the nozzles.

357. The pagewidth printhead assembly according to claim 344, wherein the printhead is arranged for use with a cartridge unit comprising:
a body portion having a plurality of ink storage compartments; and a pagewidth printhead assembly configured to receive ink from ink storage compartments and distribute said ink to a plurality of nozzles arranged in use to deliver the ink onto passing print media;

wherein the ink storage compartments comprise an absorption material which stores the ink therein under capillary action for supply to the nozzles of the printhead assembly.

358. A pagewidth printhead assembly according to claim 344, wherein the integrated circuits are aligned in an abutting arrangement across the length of the ink distribution member.

359. A pagewidth printhead assembly according to claim 344, wherein the body portion has one or more connectors formed thereon for securing the printhead assembly to the one or more ink sources to facilitate ink flow therebetween.

360. The pagewidth printhead assembly according to claim 344, wherein the body portion has one or more channels formed therein for distributing the ink substantially along the length of the printhead assembly and wherein the ink distribution member is a unitary element having a plurality of conduits formed therethrough, each of the conduits having an inlet which receives ink from one of the channels of the body portion and an outlet which delivers the ink to a predetermined number of nozzles of the one or more integrated circuits.

361. The pagewidth printhead assembly according to claim 344, wherein the ink distribution member comprises a first layer which directs the ink from the one or more channels of the body portion for delivery to each integrated circuit, and a second layer attached to said first layer for receiving and securing each integrated circuit in a position to receive the ink from the first layer.

362. The pagewidth printhead assembly according to claim 344, wherein the printhead of the assembly is arranged for use with a capping assembly for capping the printhead, the capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body and movable with respect to the body to cap at least a portion of said printhead ;
wherein, the body includes a mounting element for removably mounting said capping assembly to said printhead.

363. The pagewidth printhead assembly according to claim 344, wherein the printhead is arranged for use with a capping assembly for capping the pagewidth printhead of the pagewidth printhead assembly, the capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body, said capping element having a rim portion adapted to cap at least a portion of said printhead ;
wherein, the capping element is movable with respect to said body between a first and a second position, said first position being where said rim portion extends from said body, and said second position being where said rim portion is contained within said body.

364. The pagewidth printhead assembly according to claim 344, the printhead being arranged for use with a capping assembly for capping the pagewidth printhead of the pagewidth printhead assembly, the capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body and movable with respect to said body between a first and a second position, said first position being where a portion of the capping element extends from said body, and said second position being where said capping element is contained within said body;
wherein, the capping element is biased into said first position.

365. The pagewidth printhead assembly according to claim 344, the printhead being arranged for use with a capping assembly for capping the pagewidth printhead of the pagewidth printhead assembly, the capping assembly comprising:
a body configured to extend the length of the printhead;
a capping element housed within said body and having a rim portion adapted to cap at least a portion of the printhead;
a displacement assembly housed within the body for moving the capping element between a first position where the rim portion of the capping element extends from said body, and a second position where the rim portion of the capping element is contained within the body;
wherein, the displacement assembly is controlled by an electromagnet which determines the position.

366. The pagewidth printhead assembly according to claim 344, the printhead of the assembly being arranged for use with a cradle unit comprising:
a body complementary to a removable inkjet cartridge; and a controller for controlling the operation of the printhead to facilitate printing;
wherein, a plurality of terminals are located along the length of the body to contact corresponding terminals located along the length of the removable inkjet cartridge to enable electrical communication between the controller and the cartridge.

367. The pagevividth printhead assembly according to claim 344, the printhead of the assembly being arranged for use with a cradle unit comprising:
a body complementary to a removable inkjet cartridge;
a controller for controlling the operation of the printhead to facilitate printing; and a plurality of terminals in electrical communication with said controller for transmitting control signals from said controller to corresponding terminals provided on said cartridge;
wherein said plurality of terminals are arranged to pivotally engage with said corresponding terminals provided on said cartridge when said cartridge is received by said body.

368. The pagewidth printhead assembly according to claim 344, the printhead of the assembly being arranged for use with a cradle unit comprising:

a body complementary to a removable inkjet cartridge associated with the printhead and a refillable ink supply; and a controller for controlling the operation of the printhead to facilitate printing;
wherein, said body includes a cover assembly for enclosing the removable inkjet cartridge within the body, said cover assembly having at least one port formed therein through which a refill unit is received for refilling the ink supply of the cartridge.

369. The pagewidth printhead assembly according to claim 344, the printhead of the assembly being arranged for use with a cradle unit comprising:
a body complementary to a removable inkjet cartridge associated with the printhead and a refillable ink supply; and a controller for controlling the operation of the printhead to facilitate printing;
wherein, said body is configured to receive a refill unit for supplying refill ink to the cartridge and includes a refill actuator for dispensing ink from said refill unit into said refillable ink supply.

370. The pagewidth printhead assembly according to claim 344, the printhead of the assembly being arranged for use with a cradle unit comprising:
a body complementary to a removable inkjet cartridge of associated with the printhead, an ink supply and a capper assembly; and a controller for controlling the operation of the printhead to facilitate printing;
wherein, said body includes an electromagnet assembly mounted thereto which is controlled by said controller for operating said capper assembly of the removable inkjet cartridge.

371. The pagewidth printhead assembly according to claim 344, the printhead of the assembly being arranged for use with a cradle unit having a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply and a controller for controlling the operation of the printhead to facilitate printing; wherein the cradle unit is arranged for engagement with a cover assembly comprising:
at least one port formed therein through which a refill unit is received for refilling the ink supply of the cartridge.

372. The pagewidth printhead assembly according to claim 344, the printhead of the assembly being arranged for use with a cradle unit having a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply and a controller for controlling the operation of the printhead to facilitate printing;
wherein the cradle unit is arranged for engagement with a cover assembly comprising a refill actuator for dispensing ink from an ink refill unit into said refillable ink supply.

373. The pagewidth printhead assembly according to claim 344, the assembly being arranged in fluid communication with one or more ink storage compartments within a cartridge unit, the cartridge unit being arranged for use with an ink priming system comprising:
a priming inlet provided on said printhead assembly for receiving a supply of ink for priming the cartridge unit; and an ink flow passage providing fluid connection between said printhead assembly and one of the ink storage compartments;
wherein the ink supplied to the priming inlet of the printhead assembly flows from the printhead assembly to the ink storage compartment via the ink flow passage to prime both the printhead assembly and the ink storage compartment with ink simultaneously.

374. The pagewidth printhead assembly according to claim 344, the assembly being arranged in fluid communication with one or more ink storage compartments within a cartridge unit, the cartridge unit being arranged for use with an ink priming system comprising:
a priming inlet provided on said printhead assembly for receiving a supply of ink for priming the cartridge unit;
an ink flow passage providing fluid connection between said printhead assembly and one of the ink storage compartments; and a bypass flow passage providing additional fluid connection between the ink flow passage and the ink storage compartment;
wherein the ink supplied to the priming inlet of the printhead assembly flows from the printhead assembly to the ink storage compartment via the ink flow passage and the bypass flow passage to prime both the printhead assembly and the ink storage compartment with ink simultaneously.

375. The pagewidth printhead assembly according to claim 344, the assembly being arranged for use in a cartridge unit adapted for refilling from a printing fluid refill cartridge that is arranged for use with a printing fluid dispenser comprising:
a body storing printing fluid having an outlet through which the printing fluid is dispensed; and a selector arranged to select the amount of the printing fluid to be dispensed from the body.

376. The pagewidth printhead assembly according to claim 344, the assembly being arranged for use in a printing unit, which is adapted for refilling with a supply of printing fluid by a method comprising the steps of:
removably mounting a dispenser of printing fluid to the printing unit so as to align an outlet of the dispenser with an inlet of a printing fluid storage chamber of the printing unit;
determining an amount of printing fluid needed to substantially refill the printing fluid storage chamber; and selectively dispensing an amount of printing fluid from the dispenser corresponding to the determined amount.

377. The pagewidth printhead assembly according to claim 344, the assembly being arranged for use in a cartridge unit adapted for refilling from a printing fluid refill cartridge having a dispensing assembly comprising:
a body for storing printing fluid having an outlet through which the printing fluid is dispensed; and a plunger arranged to selectively change the storage capacity of the body and expel the printing fluid through said outlet by selective engagement of a movable retaining member with a series of grooves arranged along a surface of the plunger, thereby dispensing a selected amount of printing fluid from the outlet.

378. The pagewidth printhead assembly according to claim 344, the assembly being arranged for use in a print engine adapted for refilling from a printing fluid refill unit , wherein the refilling is controlled by a system comprising:
an information storage element incorporated in the refill unit for storing information on the amount of printing fluid contained in the refill unit; and an information reader incorporated in the print engine for reading the information stored by the storage element when the refill unit is mounted to the print engine and for controlling the refilling of the print engine with the printing fluid contained in the refill unit based on the information read.

379. The pagewidth printhead assembly according to claim 344, the assembly being arranged for use in a print engine adapted for refilling from a printing fluid refill unit comprising an information storage element for storing information on the amount of printing fluid contained in the refill unit and for connecting with an information reader incorporated in the print engine for reading the information stored by the storage element when the refill unit is mounted to the print engine, wherein the information stored by the storage element enables the reader to control the refilling of the print engine with the printing fluid contained in the refill unit.

380. The pagewidth printhead assembly according to claim 344, the assembly being arranged for use with a printing unit adapted for refilling by a printing fluid refill cartridge wherein the refilling is controlled by a method comprising the steps of :
storing information on an amount of printing fluid contained in the refill cartridge in an information storage element incorporated therein;
mounting the refill cartridge to the printing unit;
reading the information on the amount of printing fluid with an information reader incorporated in the printing unit; and controlling the refilling of the printing unit with printing fluid contained in the refill cartridge based on the information read.

381. The pagewidth printhead assembly according to claim 344, the assembly being arranged for use in a printing cartridge having a printing fluid storage device comprising a porous body having a plurality of individual channels arranged in an array to store printing fluid and supply the stored printing fluid to at least one printing fluid ejecting nozzle of a printhead of a printer unit, wherein a first end of each of the channels is in fluid communication with a printing fluid supply to extract printing fluid from the fluid supply for storage therein under capillary action and the stored printing fluid is supplied to the at least one nozzle under capillary action.

382. A pagewidth printhead assembly for an inkjet printer comprising:
a body portion for receiving ink from one or more ink sources and having one or more channels formed therein for distributing the ink substantially along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which the or each integrated circuit is fixed and which distributes the ink from the body portion to each of the integrated circuits;
wherein the ink distribution member is a unitary element having a plurality of conduits formed therethrough, each of the conduits having an inlet which receives ink from one of the channels of the body portion and an outlet which delivers the ink to a predetermined number of nozzles of the one or more integrated circuits.

383. A pagewidth printhead assembly according to claim 382, wherein the predetermined number of nozzles is selected due to the colour of the ink carried within the channel of the body portion 384. A pagewidth printhead assembly according to claim 382, wherein the conduits are provided along the length of each of the channels of the body portion to provide multiple flow paths for the ink to pass to the integrated circuits.

385. A pagewidth printhead assembly according to claim 384, wherein the conduits are equi-spaced along the length of each of the channels of the body portion.

386. A pagewidth printhead assembly according to claim 384, wherein the inlets of the conduits have a width less than or substantially equal to the width of the channels formed in the body portion.

387. A pagewidth printhead assembly according to claim 386, wherein the inlets have a maximum width of less than 1 mm.

388. A pagewidth printhead assembly according to claim 382, wherein the inlet and outlet of each of the conduits are connected by a tunnel formed within the body of the ink distribution member, said tunnel providing a path for the ink to flow from the inlet to the outlet.

389. A pagewidth printhead assembly according to claim 382, wherein each integrated circuits has a plurality of delivery channels formed in a surface thereof for delivering the ink to nozzles.

390. A pagewidth printhead assembly according to claim 389, wherein the delivery channels extend the length of each integrated circuit.

391. A pagewidth printhead assembly according to claim 390, wherein the number of delivery channels formed in the surface of each integrated circuit is equivalent to the number of channels provided in the body portion.

392. A pagewidth printhead assembly according to claim 390, wherein each delivery channel is in fluid communication with at least one row of nozzles.

393. A pagewidth printhead assembly according to claim 392, wherein the outlet of each conduit delivers ink into one of the delivery channels for supplying said ink to said predetermined number of nozzles.

394. A pagewidth printhead assembly according to claim 393, wherein the outlets of the conduits have a width less than or substantially equal to the width of the delivery channels formed in the surface of the integrated circuits.

395. A pagewidth printhead assembly according to claim 386, wherein the outlets have a maximum width less than 80 microns.

396. A pagewidth printhead assembly according to claim 393, wherein the delivery channels have a plurality of walls provided along the length thereof, said walls dividing said delivery channels into a plurality of sections.

397. A pagewidth printhead assembly according to claim 396, wherein each outlet supplies ink to at least one section of the delivery channels.

398. A pagewidth printhead assembly according to claim 397, wherein each outlet supplies ink to two sections of the delivery channels.

399. A pagewidth printhead assembly according to claim 382, wherein the ink distribution member is made from a photo-structurable glass ceramic material.

400. A pagewidth printhead assembly according to claim 399, wherein the material is forturan glass.

401. A pagewidth printhead assembly according to claim 382, wherein each integrated circuit is fixed to the ink distribution member via an adhesive.

402. A pagewidth printhead assembly according to claim 401, wherein the adhesive is supplied to each of the integrated circuits.

403. A pagewidth printhead assembly according to claim 401, wherein the adhesive is supplied to the surface of the ink distribution member.

404. The pagewidth printhead assembly according to claim 382, wherein the inkjet printer comprises:
a media input tray for supplying print media for printing;
a print engine for printing an image on said print media; and a media output tray for collecting the printed media;
wherein the print engine comprises a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply and a cradle having a body adapted to receive the removable inkjet cartridge and to control the operation of the printhead for printing;

405. The pagewidth printhead assembly according to claim 382, wherein the printhead is arranged for use in a print engine of the inkjet printer, the print engine comprising:
a removable inkjet cartridge of a type having the pagewidth printhead and an ink supply; and a cradle having a body adapted to receive the removable inkjet cartridge and to control the operation of the printhead for printing;
wherein the cradle is configured to be secured to the inkjet printer to receive print media from a media input tray and to deliver printed media to a media output tray.

406. The pagewidth printhead assembly according to claim 382, wherein the printhead is arranged for use with a cartridge unit comprising:
a body portion having one or more ink storage compartments; and a pagewidth printhead assembly mountable to said body and configured to receive ink from the one or more compartments and to distribute the ink along the length of the printhead assembly.

407. The pagewidth printhead assembly according to claim 382, wherein the printhead is arranged for use with a cartridge unit comprising:
a body portion having one or more ink storage compartments;
a pagewidth printhead assembly mountable to said body portion and configured to receive ink from the one or more compartments for printing; and a capper unit mountable to said body portion so as to extend along the length of the printhead assembly, the capper unit housing a capping element which is movable with respect to the capper unit to contact a surface of the printhead assembly.

408. The pagewidth printhead assembly according to claim 382, wherein the printhead is arranged for use with a cartridge unit comprising:
a body portion housing one or more ink storage compartments;
a pagewidth printhead assembly configured to receive ink from the one or more ink storage compartments and having a plurality of nozzles arranged in use to deliver the ink onto passing print media;
and an electrical connector in electrical communication with the nozzles of the printhead assembly and disposed along the length of the printhead assembly for mating with a corresponding connectors of the inkjet printer to control operation of the nozzles.

409. The pagewidth printhead assembly according to claim 382, wherein the printhead is arranged for use with a cartridge unit comprising:
a body portion having a plurality of ink storage compartments; and a pagewidth printhead assembly configured to receive ink from ink storage compartments and distribute said ink to a plurality of nozzles arranged in use to deliver the ink onto passing print media;
wherein the ink storage compartments comprise an absorption material which stores the ink therein under capillary action for supply to the nozzles of the printhead assembly.

410. A pagewidth printhead assembly according to claim 382, wherein the integrated circuits are aligned in an abutting arrangement across the length of the ink distribution member.

411. A pagewidth printhead assembly according to claim 382, wherein the body portion has one or more connectors formed thereon for securing the printhead assembly to the one or more ink sources to facilitate ink flow therebetween.

412. A pagewidth printhead assembly according to claim 382, wherein an electrical connector in electrical communication with the or each integrated circuit extends along the length of the printhead assembly for mating with a corresponding electrical connector of the inkjet printer.

413. The pagewidth printhead assembly according to claim 382, wherein the ink distribution member comprises a first layer which directs the ink from the one or more channels of the body portion for delivery to each integrated circuit, and a second layer attached to said first layer for receiving and securing each integrated circuit in a position to receive the ink from the first layer.

414. The pagewidth printhead assembly according to claim 382, wherein the printhead of the assembly is arranged for use with a capping assembly for capping the printhead, the capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body and movable with respect to the body to cap at least a portion of said printhead ;
wherein, the body includes a mounting element for removably mounting said capping assembly to said printhead.

415. The pagewidth printhead assembly according to claim 382, wherein the printhead is arranged for use with a capping assembly for capping the pagewidth printhead of the pagewidth printhead assembly, the capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body, said capping element having a rim portion adapted to cap at least a portion of said printhead ;
wherein, the capping element is movable with respect to said body between a first and a second position, said first position being where said rim portion extends from said body, and said second position being where said rim portion is contained within said body.

416. The pagewidth printhead assembly according to claim 382, the printhead being arranged for use with a capping assembly for capping the pagewidth printhead of the pagewidth printhead assembly, the capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body and movable with respect to said body between a first and a second position, said first position being where a portion of the capping element extends from said body, and said second position being where said capping element is contained within said body;
wherein, the capping element is biased into said first position.

417. The pagewidth printhead assembly according to claim 382, the printhead being arranged for use with a capping assembly for capping the pagewidth printhead of the pagewidth printhead assembly, the capping assembly comprising:
a body configured to extend the length of the printhead;
a capping element housed within said body and having a rim portion adapted to cap at least a portion of the printhead;
a displacement assembly housed within the body for moving the capping element between a first position where the rim portion of the capping element extends from said body, and a second position where the rim portion of the capping element is contained within the body;
wherein, the displacement assembly is controlled by an electromagnet which determines the position.

418. The pagewidth printhead assembly according to claim 382, the printhead of the assembly being arranged for use with a cradle unit comprising:
a body complementary to a removable inkjet cartridge; and a controller for controlling the operation of the printhead to facilitate printing;
wherein, a plurality of terminals are located along the length of the body to contact corresponding terminals located along the length of the removable inkjet cartridge to enable electrical communication between the controller and the cartridge.

419. The pagewidth printhead assembly according to claim 382, the printhead of the assembly being arranged for use with a cradle unit comprising:
a body complementary to a removable inkjet cartridge;
a controller for controlling the operation of the printhead to facilitate printing; and a plurality of terminals in electrical communication with said controller for transmitting control signals from said controller to corresponding terminals provided on said cartridge;
wherein said plurality of terminals are arranged to pivotally engage with said corresponding terminals provided on said cartridge when said cartridge is received by said body.

420. The pagewidth printhead assembly according to claim 382, the printhead of the assembly being arranged for use with a cradle unit comprising:
a body complementary to a removable inkjet cartridge associated with the printhead and a refillable ink supply; and a controller for controlling the operation of the printhead to facilitate printing;
wherein, said body includes a cover assembly for enclosing the removable inkjet cartridge within the body, said cover assembly having at least one port formed therein through which a refill unit is received for refilling the ink supply of the cartridge.

421. The pagewidth printhead assembly according to claim 382, the printhead of the assembly being arranged for use with a cradle unit comprising:
a body complementary to a removable inkjet cartridge associated with the printhead and a refillable ink supply; and a controller for controlling the operation of the printhead to facilitate printing;
wherein, said body is configured to receive a refill unit for supplying refill ink to the cartridge and includes a refill actuator for dispensing ink from said refill unit into said refillable ink supply.

422. The pagewidth printhead assembly according to claim 382, the printhead of the assembly being arranged for use with a cradle unit comprising:
a body complementary to a removable inkjet cartridge of associated with the printhead, an ink supply and a capper assembly; and a controller for controlling the operation of the printhead to facilitate printing;

wherein, said body includes an electromagnet assembly mounted thereto which is controlled by said controller for operating said capper assembly of the removable inkjet cartridge.

423. The pagewidth printhead assembly according to claim 382, the printhead of the assembly being arranged for use with a cradle unit having a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply and a controller for controlling the operation of the printhead to facilitate printing; wherein the cradle unit is arranged for engagement with a cover assembly comprising:
at least one port formed therein through which a refill unit is received for refilling the ink supply of the cartridge.

424. The pagewidth printhead assembly according to claim 382, the printhead of the assembly being arranged for use with a cradle unit having a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply and a controller for controlling the operation of the printhead to facilitate printing;
wherein the cradle unit is arranged for engagement with a cover assembly comprising a refill actuator for dispensing ink from an ink refill unit into said refillable ink supply.

425. The pagewidth printhead assembly according to claim 382, the assembly being arranged in fluid communication with one or more ink storage compartments within a cartridge unit, the cartridge unit being arranged for use with an ink priming system comprising:
a priming inlet provided on said printhead assembly for receiving a supply of ink for priming the cartridge unit; and an ink flow passage providing fluid connection between said printhead assembly and one of the ink storage compartments;
wherein the ink supplied to the priming inlet of the printhead assembly flows from the printhead assembly to the ink storage compartment via the ink flow passage to prime both the printhead assembly and the ink storage compartment with ink simultaneously.

426. The pagewidth printhead assembly according to claim 382, the assembly being arranged in fluid communication with one or more ink storage compartments within a cartridge unit, the cartridge unit being arranged for use with an ink priming system comprising:
a priming inlet provided on said printhead assembly for receiving a supply of ink for priming the cartridge unit;
an ink flow passage providing fluid connection between said printhead assembly and one of the ink storage compartments; and a bypass flow passage providing additional fluid connection between the ink flow passage and the ink storage compartment;

wherein the ink supplied to the priming inlet of the printhead assembly flows from the printhead assembly to the ink storage compartment via the ink flow passage and the bypass flow passage to prime both the printhead assembly and the ink storage compartment with ink simultaneously.

427. The pagewidth printhead assembly according to claim 382, the assembly being arranged for use in a cartridge unit adapted for refilling from a printing fluid refill cartridge that is arranged for use with a printing fluid dispenser comprising:
a body storing printing fluid having an outlet through which the printing fluid is dispensed; and a selector arranged to select the amount of the printing fluid to be dispensed from the body.

428. The pagewidth printhead assembly according to claim 382, the assembly being arranged for use in a printing unit, which is adapted for refilling with a supply of printing fluid by a method comprising the steps of:
removably mounting a dispenser of printing fluid to the printing unit so as to align an outlet of the dispenser with an inlet of a printing fluid storage chamber of the printing unit;
determining an amount of printing fluid needed to substantially refill the printing fluid storage chamber; and selectively dispensing an amount of printing fluid from the dispenser corresponding to the determined amount.

429. The pagewidth printhead assembly according to claim 382, the assembly being arranged for use in a cartridge unit adapted for refilling from a printing fluid refill cartridge having a dispensing assembly comprising:
a body for storing printing fluid having an outlet through which the printing fluid is dispensed; and a plunger arranged to selectively change the storage capacity of the body and expel the printing fluid through said outlet by selective engagement of a movable retaining member with a series of grooves arranged along a surface of the plunger, thereby dispensing a selected amount of printing fluid from the outlet.

430. The pagewidth printhead assembly according to claim 382, the assembly being arranged for use in a print engine adapted for refilling from a printing fluid refill unit , wherein the refil;ling is controlled by a system comprising:
an information storage element incorporated in the refill unit for storing information on the amount of printing fluid contained in the refill unit; and an information reader incorporated in the print engine for reading the information stored by the storage element when the refill unit is mounted to the print engine and for controlling the refilling of the print engine with the printing fluid contained in the refill unit based on the information read.

431. The pagewidth printhead assembly according to claim 382, the assembly being arranged for use in a print engine adapted for refilling from a printing fluid refill unit comprising an information storage element for storing information on the amount of printing fluid contained in the refill unit and for connecting with an information reader incorporated in the print engine for reading the information stored by the storage element when the refill unit is mounted to the print engine, wherein the information stored by the storage element enables the reader to control the refilling of the print engine with the printing fluid contained in the refill unit.

432. The pagewidth printhead assembly according to claim 382, the assembly being arranged for use with a printing unit adapted for refilling by a printing fluid refill cartridge wherein the refilling is controlled by a method comprising the steps of :
storing information on an amount of printing fluid contained in the refill cartridge in an information storage element incorporated therein;
mounting the refill cartridge to the printing unit;
reading the information on the amount of printing fluid with an information reader incorporated in the printing unit; and controlling the refilling of the printing unit with printing fluid contained in the refill cartridge based on the information read.

433. The pagewidth printhead assembly according to claim 382, the assembly being arranged for use in a printing cartridge having a printing fluid storage device comprising a porous body having a plurality of individual channels arranged in an array to store printing fluid and supply the stored printing fluid to at least one printing fluid ejecting nozzle of a printhead of a printer unit, wherein a first end of each of the channels is in fluid communication with a printing fluid supply to extract printing fluid from the fluid supply for storage therein under capillary action and the stored printing fluid is supplied to the at least one nozzle under capillary action.

434. A pagewidth printhead assembly for an inkjet printer comprising:
a body portion for receiving ink from one or more ink sources and having one or more channels formed therein for distributing the ink substantially along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, each integrated circuit having a plurality of nozzles, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which each integrated circuit is fixed and which distributes the ink from the body portion to each of the integrated circuits;
wherein the ink distribution member comprises a first layer which directs the ink from the one or more channels of the body portion for delivery to each integrated circuit, and a second layer attached to said first layer for receiving and securing each integrated circuit in a position to receive the ink from the first layer.

435. A pagewidth printhead assembly according to claim 434, wherein a first surface of the first layer is secured to said body portion and is in fluid contact with the one or more channels of the body portion.

436. A pagewidth printhead assembly according to claim 435, wherein said first surface has a plurality of ink inlets formed along the length thereof for receiving ink from the one or more channels of the body portion.

437. A pagewidth printhead assembly according to claim 436, wherein the ink inlets extend through the first layer from said first surface to be in fluid communication with ink outlets formed on a second surface.

438. A pagewidth printhead assembly according to claim 437, wherein said ink outlets communicate directly with said ink outlets and are in alignment therewith.

439. A pagewidth printhead assembly according to claim 437, wherein said ink outlets communicate with said ink inlets via channels formed in said second surface, such that said ink outlets are offset with respect to said ink inlets.

440. A pagewidth printhead assembly according to claim 437 or 438, wherein the second layer is attached to the second surface of the first layer.

441. A pagewidth printhead assembly according to claim 440, wherein the second layer is a laminate polymer film and is laminated to the second surface of the first layer.

442. A pagewidth printhead assembly according to claim 441, wherein the laminate polymer film is a theremoplastic film such as PET or polysulphone.

443. A pagewidth printhead assembly according to claim 441, wherein the laminate polymer film is a thermoset film.

444. A pagewidth printhead assembly according to claim 442 or 443, wherein each integrated circuit is secured to the second layer by thermal bonding.

445. A pagewidth printhead assembly according to claim 444, wherein the second layer has a plurality of holes formed therethrough, said holes corresponding to said ink outlets formed in the second surface of the first layer to provide a path for ink to flow to each integrated circuit.

446. A pagewidth printhead assembly according to claim 445, wherein the second layer has one or more locating marks formed thereon for positioning each integrated circuit such that ink flowing through the said holes is delivered to the corresponding nozzles for printing.

447. The pagewidth printhead assembly according to claim 434, wherein the inkjet printer comprises:
a media input tray for supplying print media for printing;
a print engine for printing an image on said print media; and a media output tray for collecting the printed media;
wherein the print engine comprises a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply and a cradle having a body adapted to receive the removable inkjet cartridge and to control the operation of the printhead for printing;

448. The pagewidth printhead assembly according to claim 434, wherein the printhead is arranged for use in a print engine of the inkjet printer, the print engine comprising:

a removable inkjet cartridge of a type having the pagewidth printhead and an ink supply; and a cradle having a body adapted to receive the removable inkjet cartridge and to control the operation of the printhead for printing;
wherein the cradle is configured to be secured to the inkjet printer to receive print media from a media input tray and to deliver printed media to a media output tray.

449. The pagewidth printhead assembly according to claim 434, wherein the printhead is arranged for use with a cartridge unit comprising:
a body portion having one or more ink storage compartments; and a pagewidth printhead assembly mountable to said body and configured to receive ink from the one or more compartments and to distribute the ink along the length of the printhead assembly.

450. The pagewidth printhead assembly according to claim 434, wherein the printhead is arranged for use with a cartridge unit comprising:
a body portion having one or more ink storage compartments;
a pagewidth printhead assembly mountable to said body portion and configured to receive ink from the one or more compartments for printing; and a capper unit mountable to said body portion so as to extend along the length of the printhead assembly, the capper unit housing a capping element which is movable with respect to the capper unit to contact a surface of the printhead assembly.

451. The pagewidth printhead assembly according to claim 434, wherein the printhead is arranged for use with a cartridge unit comprising:
a body portion housing one or more ink storage compartments;
a pagewidth printhead assembly configured to receive ink from the one or more ink storage compartments and having a plurality of nozzles arranged in use to deliver the ink onto passing print media;
and an electrical connector in electrical communication with the nozzles of the printhead assembly and disposed along the length of the printhead assembly for mating with a corresponding connectors of the inkjet printer to control operation of the nozzles.

452. The pagewidth printhead assembly according to claim 434, wherein the printhead is arranged for use with a cartridge unit comprising:
a body portion having a plurality of ink storage compartments; and a pagewidth printhead assembly configured to receive ink from ink storage compartments and distribute said ink to a plurality of nozzles arranged in use to deliver the ink onto passing print media;
wherein the ink storage compartments comprise an absorption material which stores the ink therein under capillary action for supply to the nozzles of the printhead assembly.

453. A pagewidth printhead assembly according to claim 434, wherein the integrated circuits are aligned in an abutting arrangement across the length of the ink distribution member.

454. A pagewidth printhead assembly according to claim 434, wherein the body portion has one or more connectors formed thereon for securing the printhead assembly to the one or more ink sources to facilitate ink flow therebetween.

455. A pagewidth printhead assembly according to claim 434, wherein an electrical connector in electrical communication with the or each integrated circuit extends along the length of the printhead assembly for mating with a corresponding electrical connector of the inkjet printer.

456. A pagewidth printhead assembly according to claim 434 wherein the ink distribution member is a unitary element having a plurality of conduits formed therethrough, each of the conduits having an inlet which receives ink from one of the channels of the body portion and an outlet which delivers the ink to a predetermined number of nozzles of the one or more integrated circuits.

457. The pagewidth printhead assembly according to claim 434, wherein the printhead of the assembly is arranged for use with a capping assembly for capping the printhead, the capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body and movable with respect to the body to cap at least a portion of said printhead ;
wherein, the body includes a mounting element for removably mounting said capping assembly to said printhead.

458. The pagewidth printhead assembly according to claim 434, wherein the printhead is arranged for use with a capping assembly for capping the pagewidth printhead of the pagewidth printhead assembly, the capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body, said capping element having a rim portion adapted to cap at least a portion of said printhead ;

wherein, the capping element is movable with respect to said body between a first and a second position, said first position being where said rim portion extends from said body, and said second position being where said rim portion is contained within said body.

459. The pagewidth printhead assembly according to claim 434, the printhead being arranged for use with a capping assembly for capping the pagewidth printhead of the pagewidth printhead assembly, the capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body and movable with respect to said body between a first and a second position, said first position being where a portion of the capping element extends from said body, and said second position being where said capping element is contained within said body;
wherein, the capping element is biased into said first position.

460. The pagewidth printhead assembly according to claim 434, the printhead being arranged for use with a capping assembly for capping the pagewidth printhead of the pagewidth printhead assembly, the capping assembly comprising:
a body configured to extend the length of the printhead;
a capping element housed within said body and having a rim portion adapted to cap at least a portion of the printhead;
a displacement assembly housed within the body for moving the capping element between a first position where the rim portion of the capping element extends from said body, and a second position where the rim portion of the capping element is contained within the body;
wherein, the displacement assembly is controlled by an electromagnet which determines the position.

461. The pagewidth printhead assembly according to claim 434, the printhead of the assembly being arranged for use with a cradle unit comprising:
a body complementary to a removable inkjet cartridge; and a controller for controlling the operation of the printhead to facilitate printing;
wherein, a plurality of terminals are located along the length of the body to contact corresponding terminals located along the length of the removable inkjet cartridge to enable electrical communication between the controller and the cartridge.

462. The pagewidth printhead assembly according to claim 434, the printhead of the assembly being arranged for use with a cradle unit comprising:
a body complementary to a removable inkjet cartridge;
a controller for controlling the operation of the printhead to facilitate printing; and a plurality of terminals in electrical communication with said controller for transmitting control signals from said controller to corresponding terminals provided on said cartridge;

wherein said plurality of terminals are arranged to pivotally engage with said corresponding terminals provided on said cartridge when said cartridge is received by said body.

463. The pagewidth printhead assembly according to claim 434, the printhead of the assembly being arranged for use with a cradle unit comprising:
a body complementary to a removable inkjet cartridge associated with the printhead and a refillable ink supply; and a controller for controlling the operation of the printhead to facilitate printing;
wherein, said body includes a cover assembly for enclosing the removable inkjet cartridge within the body, said cover assembly having at least one port formed therein through which a refill unit is received for refilling the ink supply of the cartridge.

464. The pagewidth printhead assembly according to claim 434, the printhead of the assembly being arranged for use with a cradle unit comprising:
a body complementary to a removable inkjet cartridge associated with the printhead and a refillable ink supply; and a controller for controlling the operation of the printhead to facilitate printing;
wherein, said body is configured to receive a refill unit for supplying refill ink to the cartridge and includes a refill actuator for dispensing ink from said refill unit into said refillable ink supply.

465. The pagewidth printhead assembly according to claim 434, the printhead of the assembly being arranged for use with a cradle unit comprising:
a body complementary to a removable inkjet cartridge of associated with the printhead, an ink supply and a capper assembly; and a controller for controlling the operation of the printhead to facilitate printing;
wherein, said body includes an electromagnet assembly mounted thereto which is controlled by said controller for operating said capper assembly of the removable inkjet cartridge.

466. The pagewidth printhead assembly according to claim 434, the printhead of the assembly being arranged for use with a cradle unit having a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply and a controller for controlling the operation of the printhead to facilitate printing; wherein the cradle unit is arranged for engagement with a cover assembly comprising:
at least one port formed therein through which a refill unit is received for refilling the ink supply of the cartridge.

467. The pagewidth printhead assembly according to claim 434, the printhead of the assembly being arranged for use with a cradle unit having a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply and a controller for controlling the operation of the printhead to facilitate printing;

wherein the cradle unit is arranged for engagement with a cover assembly comprising a refill actuator for dispensing ink from an ink refill unit into said refillable ink supply.

468. The pagewidth printhead assembly according to claim 434, the assembly being arranged in fluid communication with one or more ink storage compartments within a cartridge unit, the cartridge unit being arranged for use with an ink priming system comprising:
a priming inlet provided on said printhead assembly for receiving a supply of ink for priming the cartridge unit; and an ink flow passage providing fluid connection between said printhead assembly and one of the ink storage compartments;
wherein the ink supplied to the priming inlet of the printhead assembly flows from the printhead assembly to the ink storage compartment via the ink flow passage to prime both the printhead assembly and the ink storage compartment with ink simultaneously.

469. The pagewidth printhead assembly according to claim 434, the assembly being arranged in fluid communication with one or more ink storage compartments within a cartridge unit, the cartridge unit being arranged for use with an ink priming system comprising:
a priming inlet provided on said printhead assembly for receiving a supply of ink for priming the cartridge unit;
an ink flow passage providing fluid connection between said printhead assembly and one of the ink storage compartments; and a bypass flow passage providing additional fluid connection between the ink flow passage and the ink storage compartment;
wherein the ink supplied to the priming inlet of the printhead assembly flows from the printhead assembly to the ink storage compartment via the ink flow passage and the bypass flow passage to prime both the printhead assembly and the ink storage compartment with ink simultaneously.

470. The pagewidth printhead assembly according to claim 434, the assembly being arranged for use in a cartridge unit adapted for refilling from a printing fluid refill cartridge that is arranged for use with a printing fluid dispenser comprising:
a body storing printing fluid having an outlet through which the printing fluid is dispensed; and a selector arranged to select the amount of the printing fluid to be dispensed from the body.

471. The pagewidth printhead assembly according to claim 434, the assembly being arranged for use in a printing unit, which is adapted for refilling with a supply of printing fluid by a method comprising the steps of:
removably mounting a dispenser of printing fluid to the printing unit so as to align an outlet of the dispenser with an inlet of a printing fluid storage chamber of the printing unit;
determining an amount of printing fluid needed to substantially refill the printing fluid storage chamber; and selectively dispensing an amount of printing fluid from the dispenser corresponding to the determined amount.

472. The pagewidth printhead assembly according to claim 434, the assembly being arranged for use in a cartridge unit adapted for refilling from a printing fluid refill cartridge having a dispensing assembly comprising:
a body for storing printing fluid having an outlet through which the printing fluid is dispensed; and a plunger arranged to selectively change the storage capacity of the body and expel the printing fluid through said outlet by selective engagement of a movable retaining member with a series of grooves arranged along a surface of the plunger, thereby dispensing a selected amount of printing fluid from the outlet.

473. The pagewidth printhead assembly according to claim 434, the assembly being arranged for use in a print engine adapted for refilling from a printing fluid refill unit , wherein the refilling is controlled by a system comprising:
an information storage element incorporated in the refill unit for storing information on the amount of printing fluid contained in the refill unit; and an information reader incorporated in the print engine for reading the information stored by the storage element when the refill unit is mounted to the print engine and for controlling the refilling of the print engine with the printing fluid contained in the refill unit based on the information read.

474. The pagewidth printhead assembly according to claim 434, the assembly being arranged for use in a print engine adapted for refilling from a printing fluid refill unit comprising an information storage element for storing information on the amount of printing fluid contained in the refill unit and for connecting with an information reader incorporated in the print engine for reading the information stored by the storage element when the refill unit is mounted to the print engine, wherein the information stored by the storage element enables the reader to control the refilling of the print engine with the printing fluid contained in the refill unit.

475. The pagewidth printhead assembly according to claim 434, the assembly being arranged for use with a printing unit adapted for refilling by a printing fluid refill cartridge wherein the refilling is controlled by a method comprising the steps of :
storing information on an amount of printing fluid contained in the refill cartridge in an information storage element incorporated therein;
mounting the refill cartridge to the printing unit;
reading the information on the amount of printing fluid with an information reader incorporated in the printing unit; and controlling the refilling of the printing unit with printing fluid contained in the refill cartridge based on the information read.

476. The pagewidth printhead assembly according to claim 434, the assembly being arranged for use in a printing cartridge having a printing fluid storage device comprising a porous body having a plurality of individual channels arranged in an array to store printing fluid and supply the stored printing fluid to at least one printing fluid ejecting nozzle of a printhead of a printer unit, wherein a first end of each of the channels is in fluid communication with a printing fluid supply to extract printing fluid from the fluid supply for storage therein under capillary action and the stored printing fluid is supplied to the at least one nozzle under capillary action.

477. A capping assembly for capping a pagewidth printhead of an inkjet printer comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body and movable with respect to the body to cap at least a portion of said printhead ;
wherein, the body includes a mounting element for removably mounting said capping assembly to said printhead.

478. A capping assembly according to claim 477, wherein the printhead is provided on a cartridge unit and the mounting element removably mounts the capping assembly to the cartridge unit.

479. A capping assembly according to claim 478, wherein the mounting element comprises one or more clips projecting from the body which engage with the cartridge unit to removably secure said capping assembly to the cartridge unit.

480. A capping assembly according to claim 478, wherein the capping assembly is mounted such that a gap is provided between said printhead and said body, said gap being sufficient to enable print media to pass therethrough for printing by said printhead.

481. A capping assembly according to claim 480, wherein a surface of the body opposite said printhead acts as a media guide, and supports said print media as it passes said printhead for printing.

482. A capping assembly according to claim 481, wherein the surface has a slot formed therein which extends the length of the body.

483. A capping assembly according to claim 482, wherein the capping element is movable to project through said slot and across said gap to cap a printing surface of the printhead.

484. A capping assembly according to claim 483, wherein the printing surface comprises a plurality of nozzles, each of the nozzles being arranged in use to deliver ink onto the passing print media.

485. A capping assembly according to claim 484, wherein the capping element has an open rim portion which contacts said printing surface of the printhead and seals the nozzles within an internal space of the capping element.

486. A capping assembly according to claim 485, wherein the internal space of the capping element comprises an absorbent material for receiving ink ejected by the nozzles.

487. A capping assembly according to claim 483, wherein the capping element is movable to retract into said body to uncap said printhead to enable printing to occur.

488. The capping assembly according to claim 477 wherein the inkjet printer comprises:
a media input tray for supplying print media for printing;
a print engine for printing an image on said print media; and a media output tray for collecting the printed media;
wherein the print engine comprises:
a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply;
a cradle having a body adapted to receive the removable inkjet cartridge and to control the operation of the printhead for printing.

489. The capping assembly according to claim 477, wherein the printhead is arranged for use in a print engine comprising:
a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply; and a cradle having a body adapted to receive the removable inkjet cartridge and to control the operation of the printhead for printing, the cradle being configured to be secured to the inkjet printer to receive print media from a media input tray and to deliver printed media to a media output tray.

490. The capping assembly according to claim 477, wherein the printhead is arranged for use in a cartridge unit for an inkjet printer comprising:
a body portion having one or more ink storage compartments; and wherein the pagewidth printhead is mountable to said body and configured to receive ink from the one or more compartments and to distribute the ink along the length of the printhead assembly.

491. The capping assembly according to claim 477, wherein the printhead is arranged for use in a cartridge unit comprising:
a body portion having one or more ink storage compartments; and a capper unit mountable to said body portion so as to extend along the length of the printhead assembly, the capper unit housing a capping element which is movable with respect to the capper unit to contact a surface of the printhead.

492. The capping assembly according to claim 477, wherein the printhead is arranged for use in a cartridge unit, wherein the pagewidth printhead assembly is configured to receive ink from the one or more ink storage compartments and having a plurality of nozzles arranged in use to deliver the ink onto passing print media, the cartridge unit furrther comprising:
a body portion housing one or more ink storage compartments; and an electrical connector in electrical communication with the nozzles of the printhead assembly and disposed along the length of the printhead assembly for mating with a corresponding connectors of the inkjet printer to control operation of the nozzles.

493. The capping assembly according to claim 477, wherein the printhead is arranged for use in a cartridge unit, wherein the pagewidth printhead assembly is configured to receive ink from ink storage compartments and distribute said ink to a plurality of nozzles arranged in use to deliver the ink onto passing print media, the cartridge unit further comprising:
a body portion having a plurality of ink storage compartments, and the ink storage compartments comprise an absorption material which stores the ink therein under capillary action for supply to the nozzles of the printhead assembly.

494. The capping assembly according to claim 477, wherein the pagewidth printhead is a pagewidth printhead assembly comprising:
a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
a plurality of integrated circuits extending the length of the printhead assembly, each integrated circuit having a plurality of nozzles formed in rows thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media;
an ink distribution member upon which the integrated circuits are fixed and which distributes the ink from the body portion to the nozzles of the integrated circuits; wherein the integrated circuits are aligned in an abutting arrangement across the length of the ink distribution member.

495. The capping assembly according to claim 477, wherein the pagewidth printhead is a pagewidth printhead assembly comprising:
a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles formed thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media;
an ink distribution member upon which the or each integrated circuit are fixed and which distributes the ink from the body portion to the nozzles of the or each integrated circuit;
and wherein the body portion has one or more connectors formed thereon for securing the printhead assembly to the one or more ink sources to facilitate ink flow therebetween.

496. The capping assembly according to claim 477, wherein the pagewidth printhead is a pagewidth printhead assembly comprising:
a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles formed thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media;
an ink distribution member upon which the or each integrated circuit is fixed and which distributes the ink from the body portion to the nozzles of the or each integrated circuit;
and wherein an electrical connector in electrical communication with the or each integrated circuit extends along the length of the printhead assembly for mating with a corresponding electrical connector of the inkjet printer.

497. The capping assembly according to claim 477, wherein the pagewidth printhead is a pagewidth printhead assembly comprising:
a body portion for receiving ink from one or more ink sources and having one or more channels formed therein for distributing the ink substantially along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which the or each integrated circuit is fixed and which distributes the ink from the body portion to each of the integrated circuits;
and wherein the ink distribution member is a unitary element having a plurality of conduits formed therethrough, each of the conduits having an inlet which receives ink from one of the channels of the body portion and an outlet which delivers the ink to a predetermined number of nozzles of the one or more integrated circuits.

498. The capping assembly according to claim 477, wherein the pagewidth printhead is a pagewidth printhead assembly comprising:
a body portion for receiving ink from one or more ink sources and having one or more channels formed therein for distributing the ink substantially along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, each integrated circuit having a plurality of nozzles, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which each integrated circuit is fixed and which distributes the ink from the body portion to each of the integrated circuits;
and wherein the ink distribution member comprises a first layer which directs the ink from the one or more channels of the body portion for delivery to each integrated circuit, and a second layer attached to said first layer for receiving and securing each integrated circuit in a position to receive the ink from the first layer.

499. The capping assembly according to claim 477, wherein the capping element has a rim portion adapted to cap at least a portion of said printhead ;
and wherein, the capping element is movable with respect to said body between a first and a second position, said first position being where said rim portion extends from said body, and said second position being where said rim portion is contained within said body.

500. The capping assembly according to claim 477, wherein the capping element is housed within said body and movable with respect to said body between a first and a second position, said first position being where a portion of the capping element extends from said body, and said second position being where said capping element is contained within said body; and wherein, the capping element is biased into said first position.

501. The capping assembly according to claim 477, wherein the capping element is housed within said body and has a rim portion adapted to cap at least a portion of the printhead, the capping assembly further comprising a displacement assembly housed within the body for moving the capping element between a first position where the rim portion of the capping element extends from said body, and a second position where the rim portion of the capping element is contained within the body; wherein, the displacement assembly is controlled by an electromagnet which determines the position.

502. The capping assembly according to claim 477, wherein the pagewidth printhead is arranged to be controlled by a cradle unit comprising:
a body complementary to a removable inkjet cartridge; and a controller for controlling the operation of the printhead to facilitate printing; and wherein, a plurality of terminals are located along the length of the body to contact corresponding terminals located along the length of the removable inkjet cartridge to enable electrical communication between the controller and the cartridge.

503. The capping assembly according to claim 477, wherein the pagewidth printhead is arranged to be controlled by a cradle unit comprising:
a body complementary to a removable inkjet cartridge;
a controller for controlling the operation of the printhead to facilitate printing; and a plurality of terminals in electrical communication with said controller for transmitting control signals from said controller to corresponding terminals provided on said cartridge;
and wherein said plurality of terminals are arranged to pivotally engage with said corresponding terminals provided on said cartridge when said cartridge is received by said body.

504. The capping assembly according to claim 477, wherein the pagewidth printhead is arranged to be controlled by a cradle unit comprising:

a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead and a refillable ink supply; and a controller for controlling the operation of the printhead to facilitate printing;
and wherein, said body includes a cover assembly for enclosing the removable inkjet cartridge within the body, said cover assembly having at least one port formed therein through which a refill unit is received for refilling the ink supply of the cartridge.

505. The capping assembly according to claim 477, wherein the pagewidth printhead is arranged to be controlled by a cradle unit comprising:
a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead and a refillable ink supply; and a controller for controlling the operation of the printhead to facilitate printing;
and wherein, said body is configured to receive a refill unit for supplying refill ink to the cartridge and includes a refill actuator for dispensing ink from said refill unit into said refillable ink supply.

506. The capping assembly according to claim 477, wherein the pagewidth printhead is arranged to be controlled by a cradle unit comprising:
a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead, an ink supply and a capper assembly; and a controller for controlling the operation of the printhead to facilitate printing;
and wherein, said body includes an electromagnet assembly mounted thereto which is controlled by said controller for operating said capper assembly of the removable inkjet cartridge.

507. The capping assembly according to claim 477 wherein the pagewidth printhead is adapted for use with a cradle unit having a body complementary to a removable inkjet cartridge of a type having the pagewidth printhead and an ink supply and a controller for controlling the operation of the printhead to facilitate printing;wherein the cradle is engageable with a cover assembly comprising at least one port formed therein through which a refill unit is received for refilling the ink supply of the cartridge.

508. The capping assembly according to claim 477 wherein the pagewidth printhead is adapted to be used with a cradle unit having a body complementary to a removable inkjet cartridge of a type having thea pagewidth printhead and an ink supply and a controller for controlling the operation of the printhead to facilitate printing;
wherein the cradle is engageable with a cover assembly comprising a refill actuator for dispensing ink from an ink refill unit into said refillable ink supply.

509. The capping assembly according to claim 477 wherein the pagewidth printhead is adapted to be used with an ink priming system for a cartridge unit of the type having the pagewidth printhead in fluid communication with one or more ink storage compartments, the priming system comprising:

a priming inlet provided on said printhead assembly for receiving a supply of ink for priming the cartridge unit; and an ink flow passage providing fluid connection between said printhead assembly and one of the ink storage compartments;
wherein the ink supplied to the priming inlet of the printhead assembly flows from the printhead assembly to the ink storage compartment via the ink flow passage to prime both the printhead assembly and the ink storage compartment with ink simultaneously.

510. The capping assembly according to claim 477 wherein the pagewidth printhead is adapted to be used with a cartridge unit of the type having a pagewidth printhead assembly in fluid communication with one or more ink storage compartments, the cartridge unit being configured for priming by an ink priming system comprising:
a priming inlet provided on said printhead assembly for receiving a supply of ink for priming the cartridge unit;
an ink flow passage providing fluid connection between said printhead assembly and one of the ink storage compartments; and a bypass flow passage providing additional fluid connection between the ink flow passage and the ink storage compartment;
wherein the ink supplied to the priming inlet of the printhead assembly flows from the printhead assembly to the ink storage compartment via the ink flow passage and the bypass flow passage to prime both the printhead assembly and the ink storage compartment with ink simultaneously.

511. The capping assembly according to claim 477 wherein the pagewidth printhead is arranged to be used in an inkjet cartridge arranged for refilling by a printing fluid refill cartridge using a printing fluid dispenser comprising:
a body storing printing fluid having an outlet through which the printing fluid is dispensed; and a selector arranged to select the amount of the printing fluid to be dispensed from the body.

512. The capping assembly according to claim 477 wherein the pagewidth printhead is arranged within a printing unit adapted to be refilled with a supply of printing fluid by way of a method comprising the steps of:
removably mounting a dispenser of printing fluid to the printing unit so as to align an outlet of the dispenser with an inlet of a printing fluid storage chamber of the printing unit;
determining an amount of printing fluid needed to substantially refill the printing fluid storage chamber; and selectively dispensing an amount of printing fluid from the dispenser corresponding to the determined amount.

513. The capping assembly according to claim 477 wherein the pagewidth printhead is arranged for use within a printing unit adapted to be refilled with a supply of printing fluid from a printing fluid refill cartridge by way of dispensing assembly comprising:
a body for storing printing fluid having an outlet through which the printing fluid is dispensed; and a plunger arranged to selectively change the storage capacity of the body and expel the printing fluid through said outlet by selective engagement of a movable retaining member with a series of grooves arranged along a surface of the plunger, thereby dispensing a selected amount of printing fluid from the outlet.

514. The capping assembly according to claim 477 wherein the pagewidth printhead is arranged for use within a print engine adapted to be refilled with a supply of printing fluid from a fluid refill cartridge, wherein the refilling is controlled by a control system comprising:
an information storage element incorporated in the refill unit for storing information on the amount of printing fluid contained in the refill unit; and an information reader incorporated in the print engine for reading the information stored by the storage element when the refill unit is mounted to the print engine and for controlling the refilling of the print engine with the printing fluid contained in the refill unit based on the information read.

515. The capping assembly according to claim 477 wherein the pagewidth printhead is arranged for use within a print engine adapted to be refilled with a supply of printing fluid from a printing fluid refill unit comprising an information storage element for storing information on the amount of printing fluid contained in the refill unit and for connecting with an information reader incorporated in the print engine for reading the information stored by the storage element when the refill unit is mounted to the print engine, wherein the information stored by the storage element enables the reader to control the refilling of the print engine with the printing fluid contained in the refill unit.

516. The capping assembly according to claim 477 wherein the pagewidth printhead is arranged for use within a printing unit adapted to be refilled with a supply of printing fluid from a fluid refill cartridge, the refilling being controlled by a method comprising the steps of :
storing information on an amount of printing fluid contained in the refill cartridge in an information storage element incorporated therein;
mounting the refill cartridge to the printing unit;
reading the information on the amount of printing fluid with an information reader incorporated in the printing unit; and controlling the refilling of the printing unit with printing fluid contained in the refill cartridge based on the information read.

517. The capping assembly according to claim 477 wherein the pagewidth printhead is arranged for use with a ithin inkjet cartridge having a printing fluid storage device comprising a porous body having a plurality of individual channels arranged in an array to store printing fluid and supply the stored printing fluid to at least one printing fluid ejecting nozzle of a printhead of a printer unit, wherein a first end of each of the channels is in fluid communication with a printing fluid supply to extract printing fluid from the fluid supply for storage therein under capillary action and the stored printing fluid is supplied to the at least one nozzle under capillary action.

518. A capping assembly for capping a pagewidth printhead of an inkjet printer comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body, said capping element having a rim portion adapted to cap at least a portion of said printhead ;
wherein, the capping element is movable with respect to said body between a first and a second position, said first position being where said rim portion extends from said body, and said second position being where said rim portion is contained within said body.

519. A capping assembly according to claim 518, wherein when said capping element is in said first position, the rim portion is in capping contact with a printing surface of the printhead.

520. A capping assembly according to claim 519, wherein the printing surface comprises a plurality of nozzles, each of the nozzles being arranged in use to deliver ink onto passing print media.

521. A capping assembly according to claim 520, wherein in said first position, the rim portion contacts the printing surface and seals the nozzles within an internal space of the capping element, thereby minimizing exposure of the ink in the nozzles to drying air.

522. A capping assembly according to claim 521, wherein the internal space of the capping element comprises an absorbent material for receiving ink ejected by the nozzles when said capping element is in the first position.

523. A capping assembly according to claim 518, wherein the body includes a mounting element for removably mounting the capping assembly to the printhead.

524. A capping assembly according to claim 523, wherein the capping assembly is mounted such that a gap is provided between said printhead and said body, said gap being sufficient to enable print media to pass therethrough for printing by said printhead 525. A capping assembly according to claim 524, wherein the surface of the body opposite the printhead has a slot formed therein.

526. A capping assembly according to claim 525, wherein said rim portion projects through said slot and across said gap to be in capping contact with at least a portion of the printhead when said capping element is in the first position.

527. A capping assembly according to claim 525, wherein when the capping element is in said second position the rim portion retracts into said slot such that it does not project into said gap and allows media to pass therethrough for printing.

528. A capping assembly according to claim 518, wherein a spring element is provided within said body, and said capping element is supported on said spring element.

529. A capping assembly according to claim 528, wherein the spring element is a resilient member which extends substantially the length of the body.

530. A capping assembly according to claim 529, wherein the resilient member is formed integral with the body.

531. A capping assembly according to claim 530, wherein the body is made from metal and said resilient member is pressed from said body.

532. A capping assembly according to claim 529, wherein the resilient member is metal insert.

533. A capping assembly according to claim 528, wherein the spring element biases said capping element into said first position.

534. A capping assembly according to claim 533, wherein in moving from said first position to said second position, the capping element acts against said spring element.

535. A capping assembly according to claim 534, wherein at least a portion of said capping element contains a magnetic material and movement from the first position to said second position is due to magnetic attraction between the capping element and an external magnetic source.

536. A capping assembly according to claim 535, wherein the external magnetic source is an electromagnet mounted on the inkjet printer.

537. A capping assembly according to clam 536, wherein activation of said electromagnet causes said capping element to move between said first and second positions.

538. A capping assembly according to claim 537, wherein activation of the electromagnet is controlled by a control system of the inkjet printer.

539. The capping assembly according to claim 518 wherein the inkjet printer comprises:
a media input tray for supplying print media for printing;
a print engine for printing an image on said print media; and a media output tray for collecting the printed media;
wherein the print engine comprises:
a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply;
a cradle having a body adapted to receive the removable inkjet cartridge and to control the operation of the printhead for printing;

540. The capping assembly according to claim 518, wherein the printhead is arranged for use in a print engine comprising:
a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply; and a cradle having a body adapted to receive the removable inkjet cartridge and to control the operation of the printhead for printing, the cradle being configured to be secured to the inkjet printer to receive print media from a media input tray and to deliver printed media to a media output tray.

541. The capping assembly according to claim 518, wherein the printhead is arranged for use in a cartridge unit for an inkjet printer comprising:
a body portion having one or more ink storage compartments; and wherein the pagewidth printhead is mountable to said body and configured to receive ink from the one or more compartments and to distribute the ink along the length of the printhead assembly.

542. The capping assembly according to claim 518, wherein the printhead is arranged for use in a cartridge unit comprising:
a body portion having one or more ink storage compartments; and a capper unit mountable to said body portion so as to extend along the length of the printhead assembly, the capper unit housing a capping element which is movable with respect to the capper unit to contact a surface of the printhead.

543. The capping assembly according to claim 518, wherein the printhead is arranged for use in a cartridge unit, wherein the pagewidth printhead assembly is configured to receive ink from the one or more ink storage compartments and having a plurality of nozzles arranged in use to deliver the ink onto passing print media, the cartridge unit furrther comprising:
a body portion housing one or more ink storage compartments; and an electrical connector in electrical communication with the nozzles of the printhead assembly and disposed along the length of the printhead assembly for mating with a corresponding connectors of the inkjet printer to control operation of the nozzles.

544. The capping assembly according to claim 518, wherein the printhead is arranged for use in a cartridge unit, wherein the pagewidth printhead assembly is configured to receive ink from ink 'storage compartments and distribute said ink to a plurality of nozzles arranged in use to deliver the ink onto passing print media, the cartridge unit further comprising:
a body portion having a plurality of ink storage compartments, and the ink storage compartments comprise an absorption material which stores the ink therein under capillary action for supply to the nozzles of the printhead assembly.

545. The capping assembly according to claim 518, wherein the pagewidth printhead is a pagewidth printhead assembly comprising:
a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
a plurality of integrated circuits extending the length of the printhead assembly, each integrated circuit having a plurality of nozzles formed in rows thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media;
an ink distribution member upon which the integrated circuits are fixed and which distributes the ink from the body portion to the nozzles of the integrated circuits; wherein the integrated circuits are aligned in an abutting arrangement across the length of the ink distribution member.

546. The capping assembly according to claim 518, wherein the pagewidth printhead is a pagewidth printhead assembly comprising:
a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles formed thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media;
an ink distribution member upon which the or each integrated circuit are fixed and which distributes the ink from the body portion to the nozzles of the or each integrated circuit;
and wherein the body portion has one or more connectors formed thereon for securing the printhead assembly to the one or more ink sources to facilitate ink flow therebetween.

547. The capping assembly according to claim 518, wherein the pagewidth printhead is a pagewidth printhead assembly comprising:
a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;

one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles formed thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media;
an ink distribution member upon which the or each integrated circuit is fixed and which distributes the ink from the body portion to the nozzles of the or each integrated circuit;
and wherein an electrical connector in electrical communication with the or each integrated circuit extends along the length of the printhead assembly for mating with a corresponding electrical connector of the inkjet printer.

548. The capping assembly according to claim 518, wherein the pagewidth printhead is a pagewidth printhead assembly comprising:
a body portion for receiving ink from one or more ink sources and having one or more channels formed therein for distributing the ink substantially along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which the or each integrated circuit is fixed and which distributes the ink from the body portion to each of the integrated circuits;
and wherein the ink distribution member is a unitary element having a plurality of conduits formed therethrough, each of the conduits having an inlet which receives ink from one of the channels of the body portion and an outlet which delivers the ink to a predetermined number of nozzles of the one or more integrated circuits.

549. The capping assembly according to claim 518, wherein the pagewidth printhead is a pagewidth printhead assembly comprising:
a body portion for receiving ink from one or more ink sources and having one or more channels formed therein for distributing the ink substantially along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, each integrated circuit having a plurality of nozzles, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which each integrated circuit is fixed and which distributes the ink from the body portion to each of the integrated circuits;
and wherein the ink distribution member comprises a first layer which directs the ink from the one or more channels of the body portion for delivery to each integrated circuit, and a second layer attached to said first layer for receiving and securing each integrated circuit in a position to receive the ink from the first layer.

550. The capping assembly according to claim 518, wherein the capping element is housed within said body and is movable with respect to the body to cap at least a portion of said printhead ; and wherein, the body includes a mounting element for removably mounting said capping assembly to said printhead.

551. The capping assembly according to claim 518, wherein the capping element is housed within said body and movable with respect to said body between a first and a second position, said first position being where a portion of the capping element extends from said body, and said second position being where said capping element is contained within said body; and wherein, the capping element is biased into said first position.

552. The capping assembly according to claim 518, wherein the capping element is housed within said body and has a rim portion adapted to cap at least a portion of the printhead, the capping assembly further comprising a displacement assembly housed within the body for moving the capping element between a first position where the rim portion of the capping element extends from said body, and a second position where the rim portion of the capping element is contained within the body; wherein, the displacement assembly is controlled by an electromagnet which determines the position.

553. The capping assembly according to claim 518, wherein the pagewidth printhead is arranged to be controlled by a cradle unit comprising:
a body complementary to a removable inkjet cartridge; and a controller for controlling the operation of the printhead to facilitate printing; and wherein, a plurality of terminals are located along the length of the body to contact corresponding terminals located along the length of the removable inkjet cartridge to enable electrical communication between the controller and the cartridge.

554. The capping assembly according to claim 518, wherein the pagewidth printhead is arranged to be controlled by a cradle unit comprising:
a body complementary to a removable inkjet cartridge;
a controller for controlling the operation of the printhead to facilitate printing; and a plurality of terminals in electrical communication with said controller for transmitting control signals from said controller to corresponding terminals provided on said cartridge;
and wherein said plurality of terminals are arranged to pivotally engage with said corresponding terminals provided on said cartridge when said cartridge is received by said body.

555. The capping assembly according to claim 518, wherein the pagewidth printhead is arranged to be controlled by a cradle unit comprising:
a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead and a refillable ink supply; and a controller for controlling the operation of the printhead to facilitate printing;

and wherein, said body includes a cover assembly for enclosing the removable inkjet cartridge within the body, said cover assembly having at least one port formed therein through which a refill unit is received for refilling the ink supply of the cartridge.

556. The capping assembly according to claim 518, wherein the pagewidth printhead is arranged to be controlled by a cradle unit comprising:
a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead and a refillable ink supply; and a controller for controlling the operation of the printhead to facilitate printing;
and wherein, said body is configured to receive a refill unit for supplying refill ink to the cartridge and includes a refill actuator for dispensing ink from said refill unit into said refillable ink supply.

557. The capping assembly according to claim 518, wherein the pagewidth printhead is arranged to be controlled by a cradle unit comprising:
a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead, an ink supply and a cappet assembly; and a controller for controlling the operation of the printhead to facilitate printing;
and wherein, said body includes an electromagnet assembly mounted thereto which is controlled by said controller for operating said cappet assembly of the removable inkjet cartridge.

558. The capping assembly according to claim 518 wherein the pagewidth printhead is adapted for use with a cradle unit having a body complementary to a removable inkjet cartridge of a type having the pagewidth printhead and an ink supply and a controller for controlling the operation of the printhead to facilitate printing;
wherein the cradle is engageable with a cover assembly comprising at least one port formed therein through which a refill unit is received for refilling the ink supply of the cartridge.

559. The capping assembly according to claim 518 wherein the pagewidth printhead is adapted to be used with a cradle unit having a body complementary to a removable inkjet cartridge of a type having thea pagewidth printhead and an ink supply and a controller for controlling the operation of the printhead to facilitate printing;
wherein the cradle is engageable with a cover assembly comprising a refill actuator for dispensing ink from an ink refill unit into said refillable ink supply.

560. The capping assembly according to claim 518 wherein the pagewidth printhead is adapted to be used with an ink priming system for a cartridge unit of the type having the pagewidth printhead in fluid communication with one or more ink storage compartments, the priming system comprising:
a priming inlet provided on said printhead assembly for receiving a supply of ink for priming the cartridge unit; and an ink flow passage providing fluid connection between said printhead assembly and one of the ink storage compartments;
wherein the ink supplied to the priming, inlet of the printhead assembly flows from the printhead assembly to the ink storage compartment via the ink flow passage to prime both the printhead assembly and the ink storage compartment with ink simultaneously.

561. The capping assembly according to claim 518 wherein the pagewidth printhead is adapted to be used with a cartridge unit of the type having a pagewidth printhead assembly in fluid communication with one or more ink storage compartments, the cartridge unit being configured for priming by an ink priming system comprising:
a priming inlet provided on said printhead assembly for receiving a supply of ink for priming the cartridge unit;
an ink flow passage providing fluid connection between said printhead assembly and one of the ink storage compartments; and a bypass flow passage providing additional fluid connection between the ink flow passage and the ink storage compartment;
wherein the ink supplied to the priming inlet of the printhead assembly flows from the printhead assembly to the ink storage compartment via the ink flow passage and the bypass flow passage to prime both the printhead assembly and the ink storage compartment with ink simultaneously.

562. The capping assembly according to claim 518 wherein the pagewidth printhead is arranged to be used in an inkjet cartridge arranged for refilling by a printing fluid refill cartridge using a printing fluid dispenser comprising:
a body storing printing fluid having an outlet through which the printing fluid is dispensed; and a selector arranged to select the amount of the printing fluid to be dispensed from the body.

563. The capping assembly according to claim 518 wherein the pagewidth printhead is arranged within a printing unit adapted to be refilled with a supply of printing fluid by way of a method comprising the steps of:
removably mounting a dispenser of printing fluid to the printing unit so as to align an outlet of the dispenser with an inlet of a printing fluid storage chamber of the printing unit;
determining an amount of printing fluid needed to substantially refill the printing fluid storage chamber; and selectively dispensing an amount of printing fluid from the dispenser corresponding to the determined amount.

564. The capping assembly according to claim 518 wherein the pagewidth printhead is arranged for use within a printing unit adapted to be refilled with a supply of printing fluid from a printing fluid refill cartridge by way of dispensing assembly comprising:
a body for storing printing fluid having an outlet through which the printing fluid is dispensed; and a plunger arranged to selectively change the storage capacity of the body and expel the printing fluid through said outlet by selective engagement of a movable retaining member with a series of grooves arranged along a surface of the plunger, thereby dispensing a selected amount of printing fluid from the outlet.

565. The capping assembly according to claim 518 wherein the pagewidth printhead is arranged for use within a print engine adapted to be refilled with a supply of printing fluid from a fluid refill cartridge, wherein the refilling is controlled by a control system comprising:
an information storage element incorporated in the refill unit for storing information on the amount of printing fluid contained in the refill unit; and an information reader incorporated in the print engine for reading the information stored by the storage element when the refill unit is mounted to the print engine and for controlling the refilling of the print engine with the printing fluid contained in the refill unit based on the information read.

566. The capping assembly according to claim 518 wherein the pagewidth printhead is arranged for use within a print engine adapted to be refilled with a supply of printing fluid from a printing fluid refill unit comprising an information storage element for storing information on the amount of printing fluid contained in the refill unit and for connecting with an information reader incorporated in the print engine for reading the information stored by the storage element when the refill unit is mounted to the print engine, wherein the information stored by the storage element enables the reader to control the refilling of the print engine with the printing fluid contained in the refill unit.

567. The capping assembly according to claim 518 wherein the pagewidth printhead is arranged for use within a printing unit adapted to be refilled with a supply of printing fluid from a fluid refill cartridge, the refilling being controlled by a method comprising the steps of :
storing information on an amount of printing fluid contained in the refill cartridge in an information storage element incorporated therein;
mounting the refill cartridge to the printing unit;
reading the information on the amount of printing fluid with an information reader incorporated in the printing unit; and controlling the refilling of the printing unit with printing fluid contained in the refill cartridge based on the information read.

568. The capping assembly according to claim 518 wherein the pagewidth printhead is arranged for use with a ithin inkjet cartridge having a printing fluid storage device comprising a porous body having a plurality of individual channels arranged in an array to store printing fluid and supply the stored printing fluid to at least one printing fluid ejecting nozzle of a printhead of a printer unit, wherein a first end of each of the channels is in fluid communication with a printing fluid supply to extract printing fluid from the fluid supply for storage therein under capillary action and the stored printing fluid is supplied to the at least one nozzle under capillary action.

569. A capping assembly for capping a pagewidth printhead of an inkjet printer comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body and movable with respect to said body between a first and a second position, said first position being where a portion of the capping element extends from said body, and said second position being where said capping element is contained within said body;
wherein, the capping element is biased into said first position.

570. A capping assembly according to claim 569, wherein the body is mounted to said printhead such that a gap is provided between said printhead and said body, said gap being sufficient to enable print media to pass therethrough for printing by said printhead.

571. A capping assembly according to claim 570, wherein when said capping element is in said first position the portion of the capping element which extends from the body spans said gap to cap at least a portion of said printhead.

572. A capping assembly according to claim 571, wherein the portion of the capping element which extends from the body is a rim portion which caps a printing surface of the printhead.

573. A capping assembly according to claim 572, wherein a surface of the body opposite the printhead has a slot formed therein, through which the rim portion extends.

574. A capping assembly according to claim 573, wherein said body includes a spring element which biases said capping element into said first position.

575. A capping assembly according to claim 574, wherein said spring element extends substantially the length of the body and said capping element is supported on said spring element.

576. A capping assembly according to claim 575, wherein the spring element is one or more resilient metal plates.

577. A capping assembly according to claim 576, wherein the resilient plates are pressed from the body.

578. A capping assembly according to claim 574, wherein in moving from said first position to said second position, the capping elements moves against the spring element.

579. A capping assembly according to claim 578, wherein when said capping element is in said second position the rim portion retracts into said body such that it does not project beyond the slot into said gap.

580. A capping assembly according to claim 579 wherein wherein at least a portion of said capping element contains a magnetic material and movement from the first position to said second position is due to magnetic attraction between the capping element and an external magnetic source.

581. A capping assembly according to claim 580, wherein the external magnetic source is an electromagnet mounted on the inkjet printer.

582. A capping assembly according to claim 581 wherein activation of said electromagnet causes said capping element to move between said first and second positions.

583. A capping assembly according to claim 582, wherein activation of the electromagnet is controlled by a control system of the inkjet printer.

584. The capping assembly according to claim 569 wherein the inkjet printer comprises:
a media input tray for supplying print media for printing;
a print engine for printing an image on said print media; and a media output tray for collecting the printed media;
wherein the print engine comprises:
a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply;
a cradle having a body adapted to receive the removable inkjet cartridge and to control the operation of the printhead for printing;

585. The capping assembly according to claim 569, wherein the printhead is arranged for use in a print engine comprising:
a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply; and a cradle having a body adapted to receive the removable inkjet cartridge and to control the operation of the printhead for printing, the cradle being configured to be secured to the inkjet printer to receive print media from a media input tray and to deliver printed media to a media output tray.

586. The capping assembly according to claim 569, wherein the printhead is arranged for use in a cartridge unit for an inkjet printer comprising:
a body portion having one or more ink storage compartments; and wherein the pagewidth printhead is mountable to said body and configured to receive ink from the one or more compartments and to distribute the ink along the length of the printhead assembly.

587. The capping assembly according to claim 569, wherein the printhead is arranged for use in a cartridge unit comprising:
a body portion having one or more ink storage compartments; and a capper unit mountable to said body portion so as to extend along the length of the printhead assembly, the capper unit housing a capping element which is movable with respect to the capper unit to contact a surface of the printhead.

588. The capping assembly according to claim 569, wherein the printhead is arranged for use in a cartridge unit, wherein the pagewidth printhead assembly is configured to receive ink from the one or more ink storage compartments and having a plurality of nozzles arranged in use to deliver the ink onto passing print media, the cartridge unit furrther comprising:
a body portion housing one or more ink storage compartments; and an electrical connector in electrical communication with the nozzles of the printhead assembly and disposed along the length of the printhead assembly for mating with a corresponding connectors of the inkjet printer to control operation of the nozzles.

589. The capping assembly according to claim 569, wherein the printhead is arranged for use in a cartridge unit, wherein the pagewidth printhead assembly is configured to receive ink from ink storage compartments and distribute said ink to a plurality of nozzles arranged in use to deliver the ink onto passing print media, the cartridge unit further comprising:
a body portion having a plurality of ink storage compartments, and the ink storage compartments comprise an absorption material which stores the ink therein under capillary action for supply to the nozzles of the printhead assembly.

590. The capping assembly according to claim 569, wherein the pagewidth printhead is a pagewidth printhead assembly comprising:
a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
a plurality of integrated circuits extending the length of the printhead assembly, each integrated circuit having a plurality of nozzles formed in rows thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media;
an ink distribution member upon which the integrated circuits are fixed and which distributes the ink from the body portion to the nozzles of the integrated circuits; wherein the integrated circuits are aligned in an abutting arrangement across the length of the ink distribution member.

591. The capping assembly according to claim 569, wherein the pagewidth printhead is a pagewidth printhead assembly comprising:
a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles formed thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media;

an ink distribution member upon which the or each integrated circuit are fixed and which distributes the ink from the body portion to the nozzles of the or each integrated circuit;
and wherein the body portion has one or more connectors formed thereon for securing the printhead assembly to the one or more ink sources to facilitate ink flow therebetween.

592. The capping assembly according to claim 569, wherein the pagewidth printhead is a pagewidth printhead assembly comprising:
a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles formed thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media;
an ink distribution member upon which the or each integrated circuit is fixed and which distributes the ink from the body portion to the nozzles of the or each integrated circuit;
and wherein an electrical connector in electrical communication with the or each integrated circuit extends along the length of the printhead assembly for mating with a corresponding electrical connector of the inkjet printer.

593. The capping assembly according to claim 569, wherein the pagewidth printhead is a pagewidth printhead assembly comprising:
a body portion for receiving ink from one or more ink sources and having one or more channels formed therein for distributing the ink substantially along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which the or each integrated circuit is fixed and which distributes the ink from the body portion to each of the integrated circuits;
and wherein the ink distribution member is a unitary element having a plurality of conduits formed therethrough, each of the conduits having an inlet which receives ink from one of the channels of the body portion and an outlet which delivers the ink to a predetermined number of nozzles of the one or more integrated circuits.

594. The capping assembly according to claim 569, wherein the pagewidth printhead is a pagewidth printhead assembly comprising:
a body portion for receiving ink from one or more ink sources and having one or more channels formed therein for distributing the ink substantially along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, each integrated circuit having a plurality of nozzles, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which each integrated circuit is fixed and which distributes the ink from the body portion to each of the integrated circuits;
and wherein the ink distribution member comprises a first layer which directs the ink from the one or more channels of the body portion for delivery to each integrated circuit, and a second layer attached to said first layer for receiving and securing each integrated circuit in a position to receive the ink from the first layer.

595. The capping assembly according to claim 569, wherein the capping element is housed within said body and is movable with respect to the body to cap at least a portion of said printhead ; and wherein, the body includes a mounting element for removably mounting said capping assembly to said printhead.

596. The capping assembly according to claim 569, wherein the capping element is housed within said body, said capping element having a rim portion adapted to cap at least a portion of said printhead ; and wherein, the capping element is movable with respect to said body between a first and a second position, said first position being where said rim portion extends from said body, and said second position being where said rim portion is contained within said body.

597. The capping assembly according to claim 569, wherein the capping element is housed within said body and has a rim portion adapted to cap at least a portion of the printhead, the capping assembly further comprising a displacement assembly housed within the body for moving the capping element between a first position where the rim portion of the capping element extends from said body, and a second position where the rim portion of the capping element is contained within the body; wherein, the displacement assembly is controlled by an electromagnet which determines the position.

598. The capping assembly according to claim 569, wherein the pagewidth printhead is arranged to be controlled by a cradle unit comprising:
a body complementary to a removable inkjet cartridge; and a controller for controlling the operation of the printhead to facilitate printing; and wherein, a plurality of terminals are located along the length of the body to contact corresponding terminals located along the length of the removable inkjet cartridge to enable electrical communication between the controller and the cartridge.

599. The capping assembly according to claim 569, wherein the pagewidth printhead is arranged to be controlled by a cradle unit comprising:
a body complementary to a removable inkjet cartridge;
a controller for controlling the operation of the printhead to facilitate printing; and a plurality of terminals in electrical communication with said controller for transmitting control signals from said controller to corresponding terminals provided on said cartridge;

and wherein said plurality of terminals are arranged to pivotally engage with said corresponding terminals provided on said cartridge when said cartridge is received by said body.

600. The capping assembly according to claim 569, wherein the pagewidth printhead is arranged to be controlled by a cradle unit comprising:
a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead and a refillable ink supply; and a controller for controlling the operation of the printhead to facilitate printing;
and wherein, said body includes a cover assembly for enclosing the removable inkjet cartridge within the body, said cover assembly having at least one port formed therein through which a refill unit is received for refilling the ink supply of the cartridge.

601. The capping assembly according to claim 569, wherein the pagewidth printhead is arranged to be controlled by a cradle unit comprising:
a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead and a refillable ink supply; and a controller for controlling the operation of the printhead to facilitate printing;
and wherein, said body is configured to receive a refill unit for supplying refill ink to the cartridge and includes a refill actuator for dispensing ink from said refill unit into said refillable ink supply.

602. The capping assembly according to claim 569, wherein the pagewidth printhead is arranged to be controlled by a cradle unit comprising:
a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead, an ink supply and a capper assembly; and a controller for controlling the operation of the printhead to facilitate printing;
and wherein, said body includes an electromagnet assembly mounted thereto which is controlled by said controller for operating said capper assembly of the removable inkjet cartridge.

603. The capping assembly according to claim 569 wherein the pagewidth printhead is adapted for use with a cradle unit having a body complementary to a removable inkjet cartridge of a type having the pagewidth printhead and an ink supply and a controller for controlling the operation of the printhead to facilitate printing;
wherein the cradle is engageable with a cover assembly comprising at least one port formed therein through which a refill unit is received for refilling the ink supply of the cartridge.

604. The capping assembly according to claim 569 wherein the pagewidth printhead is adapted to be used with a cradle unit having a body complementary to a removable inkjet cartridge of a type having thea pagewidth printhead and an ink supply and a controller for controlling the operation of the printhead to facilitate printing;

wherein the cradle is engageable with a cover assembly comprising a refill actuator for dispensing ink from an ink refill unit into said refillable ink supply.

605. The capping assembly according to claim 569 wherein the pagewidth printhead is adapted to be used with an ink priming system for a cartridge unit of the type having the pagewidth printhead in fluid communication with one or more ink storage compartments, the priming system comprising:
a priming inlet provided on said printhead assembly for receiving a supply of ink for priming the cartridge unit; and an ink flow passage providing fluid connection between said printhead assembly and one of the ink storage compartments;
wherein the ink supplied to the priming inlet of the printhead assembly flows from the printhead assembly to the ink storage compartment via the ink flow passage to prime both the printhead assembly and the ink storage compartment with ink simultaneously.

606. The capping assembly according to claim 569 wherein the pagewidth printhead is adapted to be used with a cartridge unit of the type having a pagewidth printhead assembly in fluid communication with one or more ink storage compartments, the cartridge unit being configured for priming by an ink priming system comprising:
a priming inlet provided on said printhead assembly for receiving a supply of ink for priming the cartridge unit;
an ink flow passage providing fluid connection between said printhead assembly and one of the ink storage compartments; and a bypass flow passage providing additional fluid connection between the ink flow passage and the ink storage compartment;
wherein the ink supplied to the priming inlet of the printhead assembly flows from the printhead assembly to the ink storage compartment via the ink flow passage and the bypass flow passage to prime both the printhead assembly and the ink storage compartment with ink simultaneously.

607. The capping assembly according to claim 569 wherein the pagewidth printhead is arranged to be used in an inkjet cartridge arranged for refilling by a printing fluid refill cartridge using a printing fluid dispenser comprising:
a body storing printing fluid having an outlet through which the printing fluid is dispensed; and a selector arranged to select the amount of the printing fluid to be dispensed from the body.

608. The capping assembly according to claim 569 wherein the pagewidth printhead is arranged within a printing unit adapted to be refilled with a supply of printing fluid by way of a method comprising the steps of:
removably mounting a dispenser of printing fluid to the printing unit so as to align an outlet of the dispenser with an inlet of a printing fluid storage chamber of the printing unit;

determining an amount of printing fluid needed to substantially refill the printing fluid storage chamber; and selectively dispensing an amount of printing fluid from the dispenser corresponding to the determined amount.

609. The capping assembly according to claim 569 wherein the pagewidth printhead is arranged for use within a printing unit adapted to be refilled with a supply of printing fluid from a printing fluid refill cartridge by way of dispensing assembly comprising:
a body for storing printing fluid having an outlet through which the printing fluid is dispensed; and a plunger arranged to selectively change the storage capacity of the.body and expel the printing fluid through said outlet by selective engagement of a movable retaining member with a series of grooves arranged along a surface of the plunger, thereby dispensing a selected amount of printing fluid from the outlet.

610. The capping assembly according to claim 569 wherein the pagewidth printhead is arranged for use within a print engine adapted to be refilled with a supply of printing fluid from a fluid refill cartridge, wherein the refilling is controlled by a control system comprising:
an information storage element incorporated in the refill unit for storing information on the amount of printing fluid contained in the refill unit; and an information reader incorporated in the print engine for reading the information stored by the storage element when the refill unit is mounted to the print engine and for controlling the refilling of the print engine with the printing fluid contained in the refill unit based on the information read.

611. The capping assembly according to claim 569 wherein the pagewidth printhead is arranged for use within a print engine adapted to be refilled with a supply of printing fluid from a printing fluid refill unit comprising an information storage element for storing information on the amount of printing fluid contained in the refill unit and for connecting with an information reader incorporated in the print engine for reading the information stored by the storage element when the refill unit is mounted to the print engine, wherein the information stored by the storage element enables the reader to control the refilling of the print engine with the printing fluid contained in the refill unit.

612. The capping assembly according to claim 569 wherein the pagewidth printhead is arranged for use within a printing unit adapted to be refilled with a supply of printing fluid from a fluid refill cartridge, the refilling being controlled by a method comprising the steps of :
storing information on an amount of printing fluid contained in the refill cartridge in an information storage element incorporated therein;
mounting the refill cartridge to the printing unit;
reading the information on the amount of printing fluid with an information reader incorporated in the printing unit; and controlling the refilling of the printing unit with printing fluid contained in the refill cartridge based on the information read.

613. The capping assembly according to claim 569 wherein the pagewidth printhead is arranged for use with a ithin inkjet cartridge having a printing fluid storage device comprising a porous body having a plurality of individual channels arranged in an array to store printing fluid and supply the stored printing fluid to at least one printing fluid ejecting nozzle of a printhead of a printer unit, wherein a first end of each of the channels is in fluid communication with a printing fluid supply to extract printing fluid from the fluid supply for storage therein under capillary action and the stored printing fluid is supplied to the at least one nozzle under capillary action.

614. A capping assembly for capping a pagewidth printhead of an inkjet printer comprising:
a body configured to extend the length of the printhead;
a capping element housed within said body and having a rim portion adapted to cap at least a portion of the printhead;
a displacement assembly housed within the body for moving the capping element between a first position where the rim portion of the capping element extends from said body, and a second position where the rim portion of the capping element is contained within the body;
wherein, the displacement assembly is controlled by an electromagnet which determines the position.

615. A pagewidth printhead assembly according to claim 614, wherein the predetermined number of nozzles is selected due to the colour of the ink carried within the channel of the body portion 616. A pagewidth printhead assembly according to claim 614, wherein the conduits are provided along the length of each of the channels of the body portion to provide multiple flow paths for the ink to pass to the integrated circuits.

617. A pagewidth printhead assembly according to claim 616, wherein the conduits are equi-spaced along the length of each of the channels of the body portion.

618. A pagewidth printhead assembly according to claim 616, wherein the inlets of the conduits have a width less than or substantially equal to the width of the channels formed in the body portion.

619. A pagewidth printhead assembly according to claim 618, wherein the inlets have a maximum width of less than 1 mm.

620. A pagewidth printhead assembly according to claim 614, wherein the inlet and outlet of each of the conduits are connected by a tunnel formed within the body of the ink distribution member, said tunnel providing a path for the ink to flow from the inlet to the outlet.

621. A pagewidth printhead assembly according to claim 614, wherein each integrated circuits has a plurality of delivery channels formed in a surface thereof for delivering the ink to nozzles.

622. A pagewidth printhead assembly according to claim 621, wherein the delivery channels extend the length of each integrated circuit.

623. A pagewidth printhead assembly according to claim 622, wherein the number of delivery channels formed in the surface of each integrated circuit is equivalent to the number of channels provided in the body portion.

624. A pagewidth printhead assembly according to claim 622, wherein each delivery channel is in fluid communication with at least one row of nozzles.

625. A pagewidth printhead assembly according to claim 624, wherein the outlet of each conduit delivers ink into one of the delivery channels for supplying said ink to said predetermined number of nozzles.

626. A pagewidth printhead assembly according to claim 625, wherein the outlets of the conduits have a width less than or substantially equal to the width of the delivery channels formed in the surface of the integrated circuits.

627. A pagewidth printhead assembly according to claim 618, wherein the outlets have a maximum width less than 80 microns.

628. A pagewidth printhead assembly according to claim 625, wherein the delivery channels have a plurality of walls provided along the length thereof, said walls dividing said delivery channels into a plurality of sections.

629. A pagewidth printhead assembly according to claim 628, wherein each outlet supplies ink to at least one section of the delivery channels.

630. A pagewidth printhead assembly according to claim 629, wherein each outlet supplies ink to two sections of the delivery channels.

631. A pagewidth printhead assembly according to claim 614, wherein the ink distribution member is made from a photo-structurable glass ceramic material.

632. A pagewidth printhead assembly according to claim 631, wherein the material is forturan glass.

633. A pagewidth printhead assembly according to claim 614, wherein each integrated circuit is fixed to the ink distribution member via an adhesive.

634. A pagewidth printhead assembly according to claim 633, wherein the adhesive is supplied to each of the integrated circuits.

635. A pagewidth printhead assembly according to claim 633, wherein the adhesive is supplied to the surface of the ink distribution member.

636. The capping assembly according to claim 614 wherein the inkjet printer comprises:
a media input tray for supplying print media for printing;
a print engine for printing an image on said print media; and a media output tray for collecting the printed media;
wherein the print engine comprises:
a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply;
a cradle having a body adapted to receive the removable inkjet cartridge and to control the operation of the printhead for printing;

637. The capping assembly according to claim 614, wherein the printhead is arranged for use in a print engine comprising:
a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply; and a cradle having a body adapted to receive the removable inkjet cartridge and to control the operation of the printhead for printing, the cradle being configured to be secured to the inkjet printer to receive print media from a media input tray and to deliver printed media to a media output tray.

638. The capping assembly according to claim 614, wherein the printhead is arranged for use in a cartridge unit for an inkjet printer comprising:
a body portion having one or more ink storage compartments; and wherein the pagewidth printhead is mountable to said body and configured to receive ink from the one or more compartments and to distribute the ink along the length of the printhead assembly.

639. The capping assembly according to claim 614, wherein the printhead is arranged for use in a cartridge unit comprising:
a body portion having one or more ink storage compartments; and a capper unit mountable to said body portion so as to extend along the length of the printhead assembly, the capper unit housing a capping element which is movable with respect to the capper unit to contact a surface of the printhead.

640. The capping assembly according to claim 614, wherein the printhead is arranged for use in a cartridge unit, wherein the pagewidth printhead assembly is configured to receive ink from the one or more ink storage compartments and having a plurality of nozzles arranged in use to deliver the ink onto passing print media, the cartridge unit furrther comprising:
a body portion housing one or more ink storage compartments; and an electrical connector in electrical communication with the nozzles of the printhead assembly and disposed along the length of the printhead assembly for mating with a corresponding connectors of the inkjet printer to control operation of the nozzles.

641. The capping assembly according to claim 614, wherein the printhead is arranged for use in a cartridge unit, wherein the pagewidth printhead assembly is configured to receive ink from ink storage compartments and distribute said ink to a plurality of nozzles arranged in use to deliver the ink onto passing print media, the cartridge unit further comprising:
a body portion having a plurality of ink storage compartments, and the ink storage compartments comprise an absorption material which stores the ink therein under capillary action for supply to the nozzles of the printhead assembly.

642. The capping assembly according to claim 614, wherein the pagewidth printhead is a pagewidth printhead assembly comprising:
a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
a plurality of integrated circuits extending the length of the printhead assembly, each integrated circuit having a plurality of nozzles formed in rows thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media;
an ink distribution member upon which the integrated circuits are fixed and which distributes the ink from the body portion to the nozzles of the integrated circuits; wherein the integrated circuits are aligned in an abutting arrangement across the length of the ink distribution member.

643. The capping assembly according to claim 614, wherein the pagewidth printhead is a pagewidth printhead assembly comprising:
a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles formed thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media;

an ink distribution member upon which the or each integrated circuit are fixed and which distributes the ink from the body portion to the nozzles of the or each integrated circuit;
and wherein the body portion has one or more connectors formed thereon for securing the printhead assembly to the one or more ink sources to facilitate ink flow therebetween.

644. The capping assembly according to claim 614, wherein the pagewidth printhead is a pagewidth printhead assembly comprising:
a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles formed thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media;
an ink distribution member upon which the or each integrated circuit is fixed and which distributes the ink from the body portion to the nozzles of the or each integrated circuit;
and wherein an electrical connector in electrical communication with the or each integrated circuit extends along the length of the printhead assembly for mating with a corresponding electrical connector of the inkjet printer.

645. The capping assembly according to claim 614, wherein the pagewidth printhead is a pagewidth printhead assembly comprising:
a body portion for receiving ink from one or more ink sources and having one or more channels formed therein for distributing the ink substantially along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which the or each integrated circuit is fixed and which distributes the ink from the body portion to each of the integrated circuits;
and wherein the ink distribution member is a unitary element having a plurality of conduits formed therethrough, each of the conduits having an inlet which receives ink from one of the channels of the body portion and an outlet which delivers the ink to a predetermined number of nozzles of the one or more integrated circuits.

646. The capping assembly according to claim 614, wherein the pagewidth printhead is a pagewidth printhead assembly comprising:
a body portion for receiving ink from one or more ink sources and having one or more channels formed therein for distributing the ink substantially along the length of the printhead assembly;

one or more integrated circuits extending substantially the length of the printhead assembly, each integrated circuit having a plurality of nozzles, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which each integrated circuit is fixed and which distributes the ink from the body portion to each of the integrated circuits;
and wherein the ink distribution member comprises a first layer which directs the ink from the one or more channels of the body portion for delivery to each integrated circuit, and a second layer attached to said first layer for receiving and securing each integrated circuit in a position to receive the ink from the first layer.

647. The capping assembly according to claim 614, wherein the capping element is housed within said body and is movable with respect to the body to cap at least a portion of said printhead ; and wherein, the body includes a mounting element for removably mounting said capping assembly to said printhead.

648. The capping assembly according to claim 614, wherein the capping element is housed within said body, said capping element having a rim portion adapted to cap at least a portion of said printhead ; and wherein, the capping element is movable with respect to said body between a first and a second position, said first position being where said rim portion extends from said body, and said second position being where said rim portion is contained within said body.

649. The capping assembly according to claim 614, wherein the capping element is housed within said body and movable with respect to said body between a first and a second position, said first position being where a portion of the capping element extends from said body, and said second position being where said capping element is contained within said body; and wherein, the capping element is biased into said first position.

650. The capping assembly according to claim 614, wherein the pagewidth printhead is arranged to be controlled by a cradle unit comprising:
a body complementary to a removable inkjet cartridge; and a controller for controlling the operation of the printhead to facilitate printing; and wherein, a plurality of terminals are located along the length of the body to contact corresponding terminals located along the length of the removable inkjet cartridge to enable electrical communication between the controller and the cartridge.

651. The capping assembly according to claim 614, wherein the pagewidth printhead is arranged to be controlled by a cradle unit comprising:
a body complementary to a removable inkjet cartridge;
a controller for controlling the operation of the printhead to facilitate printing; and a plurality of terminals in electrical communication with said controller for transmitting control signals from said controller to corresponding terminals provided on said cartridge;
and wherein said plurality of terminals are arranged to pivotally engage with said corresponding terminals provided on said cartridge when said cartridge is received by said body.

652. The capping assembly according to claim 614, wherein the pagewidth printhead is arranged to be controlled by a cradle unit comprising:
a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead and a refillable ink supply; and a controller for controlling the operation of the printhead to facilitate printing;
and wherein, said body includes a cover assembly for enclosing the removable inkjet cartridge within the body, said cover assembly having at least one port formed therein through which a refill unit is received for refilling the ink supply of the cartridge.

653. The capping assembly according to claim 614, wherein the pagewidth printhead is arranged to be controlled by a cradle unit comprising:
a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead and a refillable ink supply; and a controller for controlling the operation of the printhead to facilitate printing;
and wherein, said body is configured to receive a refill unit for supplying refill ink to the cartridge and includes a refill actuator for dispensing ink from said refill unit into said refillable ink supply.

654. The capping assembly according to claim 614, wherein the pagewidth printhead is arranged to be controlled by a cradle unit comprising:
a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead, an ink supply and a capper assembly; and a controller for controlling the operation of the printhead to facilitate printing;
and wherein, said body includes an electromagnet assembly mounted thereto which is controlled by said controller for operating said capper assembly of the removable inkjet cartridge.

655. The capping assembly according to claim 614 wherein the pagewidth printhead is adapted for use with a cradle unit having a body complementary to a removable inkjet cartridge of a type having the pagewidth printhead and an ink supply and a controller for controlling the operation of the printhead to facilitate printing;
wherein the cradle is engageable with a cover assembly comprising at least one port formed therein through which a refill unit is received for refilling the ink supply of the cartridge.

656. The capping assembly according to claim 614 wherein the pagewidth printhead is adapted to be used with a cradle unit having a body complementary to a removable inkjet cartridge of a type having thea pagewidth printhead and an ink supply and a controller for controlling the operation of the printhead to facilitate printing;
wherein the cradle is engageable with a cover assembly comprising a refill actuator for dispensing ink from an ink refill unit into said refillable ink supply.

657. The capping assembly according to claim 614 wherein the pagewidth printhead is adapted to be used with an ink priming system for a cartridge unit of the type having the pagewidth printhead in fluid communication with one or more ink storage compartments, the priming system comprising:
a priming inlet provided on said printhead assembly for receiving a supply of ink for priming the cartridge unit; and an ink flow passage providing fluid connection between said printhead assembly and one of the ink storage compartments;
wherein the ink supplied to the priming inlet of the printhead assembly flows from the printhead assembly to the ink storage compartment via the ink flow passage to prime both the printhead assembly and the ink storage compartment with ink simultaneously.

658. The capping assembly according to claim 614 wherein the pagewidth printhead is adapted to be used with a cartridge unit of the type having a pagewidth printhead assembly in fluid communication with one or more ink storage compartments, the cartridge unit being configured for priming by an ink priming system comprising:
a priming inlet provided on said printhead assembly for receiving a supply of ink for priming the cartridge unit;
an ink flow passage providing fluid connection between said printhead assembly and one of the ink storage compartments; and a bypass flow passage providing additional fluid connection between the ink flow passage and the ink storage compartment;
wherein the ink supplied to the priming inlet of the printhead assembly flows from the printhead assembly to the ink storage compartment via the ink flow passage and the bypass flow passage to prime both the printhead assembly and the ink storage compartment with ink simultaneously.

659. The capping assembly according to claim 614 wherein the pagewidth printhead is arranged to be used in an inkjet cartridge arranged for refilling by a printing fluid refill cartridge using a printing fluid dispenser comprising:
a body storing printing fluid having an outlet through which the printing fluid is dispensed; and a selector arranged to select the amount of the printing fluid to be dispensed from the body.

660. The capping assembly according to claim 614 wherein the pagewidth printhead is arranged within a printing unit adapted to be refilled with a supply of printing fluid by way of a method comprising the steps of:

removably mounting a dispenser of printing fluid to the printing unit so as to align an outlet of the dispenser with an inlet of a printing fluid storage chamber of the printing unit;
determining an amount of printing fluid needed to substantially refill the printing fluid storage chamber; and selectively dispensing an amount of printing fluid from the dispenser corresponding to the determined amount.

661. The capping assembly according to claim 614 wherein the pagewidth printhead is arranged for use within a printing unit adapted to be refilled with a supply of printing fluid from a printing fluid refill cartridge by way of dispensing assembly comprising:
a body for storing printing fluid having an outlet through which the printing fluid is dispensed; and a plunger arranged to selectively change the storage capacity of the body and expel the printing fluid through said outlet by selective engagement of a movable retaining member with a series of grooves arranged along a surface of the plunger, thereby dispensing a selected amount of printing fluid from the outlet.

662. The capping assembly according to claim 614 wherein the pagewidth printhead is arranged for use within a print engine adapted to be refilled with a supply of printing fluid from a fluid refill cartridge, wherein the refilling is controlled by a control system comprising:
an information storage element incorporated in the refill unit for storing information on the amount of printing fluid contained in the refill unit; and an information reader incorporated in the print engine for reading the information stored by the storage element when the refill unit is mounted to the print engine and for controlling the refilling of the print engine with the printing fluid contained in the refill unit based on the information read.

663. The capping assembly according to claim 614 wherein the pagewidth printhead is arranged for use within a print engine adapted to be refilled with a supply of printing fluid from a printing fluid refill unit comprising an information storage element for storing information on the amount of printing fluid contained in the refill unit and for connecting with an information reader incorporated in the print engine for reading the information stored by the storage element when the refill unit is mounted to the print engine, wherein the information stored by the storage element enables the reader to control the refilling of the print engine with the printing fluid contained in the refill unit.

664. The capping assembly according to claim 614 wherein the pagewidth printhead is arranged for use within a printing unit adapted to be refilled with a supply of printing fluid from a fluid refill cartridge, the refilling being controlled by a method comprising the steps of :
storing information on an amount of printing fluid contained in the refill cartridge in an information storage element incorporated therein;
mounting the refill cartridge to the printing unit;

reading the information on the amount of printing fluid with an information reader incorporated in the printing unit; and controlling the refilling of the printing unit with printing fluid contained in the refill cartridge based on the information read.

665. The capping assembly according to claim 614 wherein the pagewidth printhead is arranged for use with a ithin inkjet cartridge having a printing fluid storage device comprising a porous body having a plurality of individual channels arranged in an array to store printing fluid and supply the stored printing fluid to at least one printing fluid ejecting nozzle of a printhead of a printer unit, wherein a first end of each of the channels is in fluid communication with a printing fluid supply to extract printing fluid from the fluid supply for storage therein under capillary action and the stored printing fluid is supplied to the at least one nozzle under capillary action.

666. A cradle unit for an inkjet printer comprising:
a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply; and a controller for controlling the operation of the printhead to facilitate printing;
wherein, a plurality of terminals are located along the length of the body to contact corresponding terminals located along the length of the removable inkjet cartridge to enable electrical communication between the controller and the cartridge.

667. A cradle unit according to claim 666, wherein the body defines a recess to receive the removable inkjet cartridge.

668. A cradle unit according to claim 667, wherein the plurality of terminals are located within said recess.

669. A cradle unit according to claim 668, wherein the controller is in the form of electrical circuitry provided on a printed circuit board, and the plurality of terminals are formed along a surface of the printed circuit board.

670. A cradle unit according to claim 669, wherein the controller includes one or more SoPEC devices for controlling the operation of the printhead.

671. A cradle unit according to claim 669, wherein the electrical circuitry is provided upon one surface of the printed circuit board and the plurality of terminals are provided upon an opposite surface of the printed circuit board.

672. A cradle unit according to claim 671, wherein the electrical circuitry sends electrical signals in the form of data and power signals to the plurality of terminals for transmission to the corresponding terminals on the removable inkjet cartridge.

673. The cradle unit according to claim 666, the cradle unit being arranged for use with an inkjet printer unit comprising:
a media input tray for supplying print media for printing;
a print engine for printing an image on said print media; and a media output tray for collecting the printed media;
wherein the print engine comprises a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply and the cradle and wherein the cradle has a body adapted to receive the removable inkjet cartridge and to control the operation of the printhead for printing.

674. The cradle unit according to claim 666, the cradle unit being arranged for use in a print engine for an inkjet printer comprising:
a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply; and wherein the cradle has a body adapted to receive the removable inkjet cartridge and to control the operation of the printhead for printing, and the cradle is configured to be secured to the inkjet printer to receive print media from a media input tray and to deliver printed media to a media output tray.

675. The cradle unit according to claim 666, the cradle unit being arranged for use with a cartridge unit comprising:
a body portion having one or more ink storage compartments; and a pagewidth printhead assembly mountable to said body and configured to receive ink from the one or more compartments and to distribute the ink along the length of the printhead assembly.

676. The cradle unit according to claim 666, the cradle unit being arranged for use with a cartridge unit comprising:
a body portion having one or more ink storage compartments;
a pagewidth printhead assembly mountable to said body portion and configured to receive ink from the one or more compartments for printing; and a capper unit mountable to said body portion so as to extend along the length of the printhead assembly, the capper unit housing a capping element which is movable with respect to the capper unit to contact a surface of the printhead assembly.

677. The cradle unit according to claim 666, the cradle unit being arranged for use with a cartridge unit comprising:

a body portion housing one or more ink storage compartments;
a pagewidth printhead assembly configured to receive ink from the one or more ink storage compartments and having a plurality of nozzles arranged in use to deliver the ink onto passing print media;
and an electrical connector in electrical communication with the nozzles of the printhead assembly and disposed along the length of the printhead assembly for mating with a corresponding connectors of the inkjet printer to control operation of the nozzles.

678. The cradle unit according to claim 666, the cradle unit being arranged for use with a cartridge unit comprising:
a body portion having a plurality of ink storage compartments; and a pagewidth printhead assembly configured to receive ink from ink storage compartments and distribute said ink to a plurality of nozzles arranged in use to deliver the ink onto passing print media;
wherein the ink storage compartments comprise an absorption material which stores the ink therein under capillary action for supply to the nozzles of the printhead assembly.

679. The cradle unit according to claim 666, the cradle unit being arranged for use with a pagewidth printhead assembly comprising:
a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
a plurality of integrated circuits extending the length of the printhead assembly, each integrated circuit having a plurality of nozzles formed in rows thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which the integrated circuits are fixed and which distributes the ink from the body portion to the nozzles of the integrated circuits;
wherein the integrated circuits are aligned in an abutting arrangement across the length of the ink distribution member.

680. The cradle unit according to claim 666, the cradle unit being arranged for use with a pagewidth printhead assembly comprising:
a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles formed thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media;
an ink distribution member upon which the or each integrated circuit are fixed and which distributes the ink from the body portion to the nozzles of the or each integrated circuit;
wherein the body portion has one or more connectors formed thereon for securing the printhead assembly to the one or more ink sources to facilitate ink flow therebetween.

681. The cradle unit according to claim 666, the cradle unit being arranged for use with a pagewidth printhead assembly comprising:
a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles formed thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media;
an ink distribution member upon which the or each integrated circuit is fixed and which distributes the ink from the body portion to the nozzles of the or each integrated circuit;
wherein an electrical connector in electrical communication with the or each integrated circuit extends along the length of the printhead assembly for mating with a corresponding electrical connector of the inkjet printer.

682. The cradle unit according to claim 666, the cradle unit being arranged for use with a pagewidth printhead assembly comprising:
a body portion for receiving ink from one or more ink sources and having one or more channels formed therein for distributing the ink substantially along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which the or each integrated circuit is fixed and which distributes the ink from the body portion to each of the integrated circuits;
wherein the ink distribution member is a unitary element having a plurality of conduits formed therethrough, each of the conduits having an inlet which receives ink from one of the channels of the body portion and an outlet which delivers the ink to a predetermined number of nozzles of the one or more integrated circuits.

683. The cradle unit according to claim 666, the cradle unit being arranged for use with a pagewidth printhead assembly comprising:
a body portion for receiving ink from one or more ink sources and having one or more channels formed therein for distributing the ink substantially along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, each integrated circuit having a plurality of nozzles, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which each integrated circuit is fixed and which distributes the ink from the body portion to each of the integrated circuits;
wherein the ink distribution member comprises a first layer which directs the ink from the one or more channels of the body portion for delivery to each integrated circuit, and a second layer attached to said first layer for receiving and securing each integrated circuit in a position to receive the ink from the first layer.

684. The cradle unit according to claim 666, the cradle unit being arranged for use with a pagewidth printhead adapted to be capped by a capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body and movable with respect to the body to cap at least a portion of said printhead ;
wherein, the body includes a mounting element for removably mounting said capping assembly to said printhead.

685. The cradle unit according to claim 666, the cradle unit being arranged for use with a pagewidth printhead adapted to be capped by a capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body, said capping element having a rim portion adapted to cap at least a portion of said printhead ;
wherein, the capping element is movable with respect to said body between a first and a second position, said first position being where said rim portion extends from said body, and said second position being where said rim portion is contained within said body.

686. The cradle unit according to claim 666, the cradle unit being arranged for use with a pagewidth printhead adapted to be capped by a capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body and movable with respect to said body between a first and a second position, said first position being where a portion of the capping element extends from said body, and said second position being where said capping element is contained within said body;
wherein, the capping element is biased into said first position.

687. The cradle unit according to claim 666, the cradle unit being arranged for use with a pagewidth printhead adapted to be capped by a capping assembly comprising:
a body configured to extend the length of the printhead;
a capping element housed within said body and having a rim portion adapted to cap at least a portion of the printhead;
a displacement assembly housed within the body for moving the capping element between a first position where the rim portion of the capping element extends from said body, and a second position where the rim portion of the capping element is contained within the body;
wherein, the displacement assembly is controlled by an electromagnet which determines the position.

688. The cradle unit according to claim 666, wherein the plurality of terminals in electrical communication with said controller for transmitting control signals from said controller to corresponding terminals provided on said cartridge;

wherein said plurality of terminals are arranged to pivotally engage with said corresponding terminals provided on said cartridge when said cartridge is received by said body.

689. The cradle unit according to claim 666, wherein said body includes a cover assembly for enclosing the removable inkjet cartridge within the body, said cover assembly having at least one port formed therein through which a refill unit is received for refilling the ink supply of the cartridge.

690. The cradle unit according to claim 666, wherein, said body is configured to receive a refill unit for supplying refill ink to the cartridge and includes a refill actuator for dispensing ink from said refill unit into said refillable ink supply.

691. The cradle unit according to claim 666, wherein, said body includes a capper assembly and an electromagnet assembly mounted thereto which is controlled by said controller for operating said capper assembly of the removable inkjet cartridge.

692. The cradle unit according to claim 666, wherein the cartridge is arranged for use with a cover assembly comprising at least one port formed therein through which a refill unit is received for refilling the ink supply of the cartridge.

693. The cradle unit according to claim 666, wherein the cartridge is arranged for use with a cover assembly comprising a refill actuator for dispensing ink from an ink refill unit into said refillable ink supply.

694. The cradle unit according to claim 666, wherein the cartridge has a pagewidth printhead assembly in fluid communication with one or more ink storage compartment and the cartridge is adapted for priming by an ink priming system comprising:
a priming inlet provided on said printhead assembly for receiving a supply of ink for priming the cartridge unit; and an ink flow passage providing fluid connection between said printhead assembly and one of the ink storage compartments;
wherein the ink supplied to the priming inlet of the printhead assembly flows from the printhead assembly to the ink storage compartment via the ink flow passage to prime both the printhead assembly and the ink storage compartment with ink simultaneously.

695. The cradle unit according to claim 666, wherein the cartridge has a pagewidth printhead assembly in fluid communication with one or more ink storage compartment and the cartridge is adapted for priming by an ink priming system comprising:
a priming inlet provided on said printhead assembly for receiving a supply of ink for priming the cartridge unit;

an ink flow passage providing fluid connection between said printhead assembly and one of the ink storage compartments; and a bypass flow passage providing additional fluid connection between the ink flow passage and the ink storage compartment;
wherein the ink supplied to the priming inlet of the printhead assembly flows from the printhead assembly to the ink storage compartment via the ink flow passage and the bypass flow passage to prime both the printhead assembly and the ink storage compartment with ink simultaneously.

696. The cradle unit according to claim 666, the inkjet cartridge is adapted for refilling by a fluid refill cartridge associated with a printing fluid dispenser comprising:
a body storing printing fluid having an outlet through which the printing fluid is dispensed; and a selector arranged to select the amount of the printing fluid to be dispensed from the body.

697. The cradle unit according to claim 666, the cradle unit being arranged for use in a printing unit adapted for refilling by a fluid refill cartridge by way of a method comprising the steps of:
removably mounting a dispenser of printing fluid to the printing unit so as to align an outlet of the dispenser with an inlet of a printing fluid storage chamber of the printing unit;
determining an amount of printing fluid needed to substantially refill the printing fluid storage chamber; and selectively dispensing an amount of printing fluid from the dispenser corresponding to the determined amount.

698. The cradle unit according to claim 666, wherein the inkjet cartridge is adapted for refilling by a fluid refill cartridge associated with a dispensing assembly comprising:
a body for storing printing fluid having an outlet through which the printing fluid is dispensed; and a plunger arranged to selectively change the storage capacity of the body and expel the printing fluid through said outlet by selective engagement of a movable retaining member with a series of grooves arranged along a surface of the plunger, thereby dispensing a selected amount of printing fluid from the outlet.

699. The cradle unit according to claim 666, the cradle unit being arranged for use with a print engine adapted for refilling by a printing fluid refill unit, wherein the refilling is controlled by a system comprising:
an information storage element incorporated in the refill unit for storing information on the amount of printing fluid contained in the refill unit; and an information reader incorporated in the print engine for reading the information stored by the storage element when the refill unit is mounted to the print engine and for controlling the refilling of the print engine with the printing fluid contained in the refill unit based on the information read.

700. The cradle unit according to claim 666, the cradle unit being arranged for use with a print engine adapted for refilling by a printing fluid refill unit comprising an information storage element for storing information on the amount of printing fluid contained in the refill unit and for connecting with an information reader incorporated in the print engine for reading the information stored by the storage element when the refill unit is mounted to the print engine, wherein the information stored by the storage element enables the reader to control the refilling of the print engine with the printing fluid contained in the refill unit.

701. The cradle unit according to claim 666, the cradle unit being arranged for use in a printing unit adapted for refilling by a printing fluid refill cartridge, the refilling being controlled by a method comprising the steps of :
storing information on an amount of printing fluid contained in the refill cartridge in an information storage element incorporated therein;
mounting the refill cartridge to the printing unit;
reading the information on the amount of printing fluid with an information reader incorporated in the printing unit; and controlling the refilling of the printing unit with printing fluid contained in the refill cartridge based on the information read.

702. The cradle unit according to claim 666, wherein the cartridge is associated with a printing fluid storage device comprising a porous body having a plurality of individual channels arranged in an array to store printing fluid and supply the stored printing fluid to at least one printing fluid ejecting nozzle of a printhead of a printer unit, wherein a first end of each of the channels is in fluid communication with a printing fluid supply to extract printing fluid from the fluid supply for storage therein under capillary action and the stored printing fluid is supplied to the at least one nozzle under capillary action.

703. A cradle unit for an inkjet printer comprising:
a body complementary to a removable inlejet cartridge of a type having a pagewidth printhead and an ink supply;
a controller for controlling the operation of the printhead to facilitate printing; and a plurality of terminals in electrical communication with said controller for transmitting control signals from said controller to corresponding terminals provided on said cartridge;
wherein said plurality of terminals are arranged to pivotally engage with said corresponding terminals provided on said cartridge when said cartridge is received by said body.

704. A cradle unit according to claim 703, wherein the body defines a recess to receive the removable inkjet cartridge.

705. A cradle unit according to claim 704, wherein the plurality of terminals are located within said recess and extend along the length of the removable inkjet cartridge.

706. A cradle unit according to claim 705, wherein the controller is in the form of electrical circuitry provided on a printed circuit board, and the plurality of terminals are formed along a surface of the printed circuit board.

707. A cradle unit according to claim 706, wherein the controller includes one or more SoPEC devices for controlling the operation of the printhead.

708. A cradle unit according to claim 706, wherein the electrical circuitry is provided upon one surface of the printed circuit board and the plurality of terminals are provided upon an opposite surface of the printed circuit board.

709. A cradle unit according to claim 708, wherein said printed circuit board is mounted between a pair of arms, said arms being pivotally mounted to the body to pivot between an open and a closed position.

710. A cradle unit according to claim 709, wherein when said arms are pivoted to said open position the plurality of terminals are positioned remote from said corresponding terminals provided on the cartridge and electrical communication ceases between said controller and said cartridge.

711. A cradle unit according to claim 710, wherein when said arms are in said open position the cartridge is readily removable from said recess.

712. A cradle unit according to claim 709, wherein when said arms are pivoted to said closed position the plurality of terminals contact the corresponding terminals provided on the cartridge and electrical communication is enabled between said controller and said cartridge.

713. A cradle unit according to claim 709, wherein said body includes a lid assembly to enclose said recess and said arms are connected to said lid assembly such that movement of said lid between an open and a closed position causes pivotal movement of said arms.

714. The cradle unit according to claim 703, the cradle unit being arranged for use with an inkjet printer unit comprising:
a media input tray for supplying print media for printing;
a print engine for printing an image on said print media; and a media output tray for collecting the printed media;
wherein the print engine comprises a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply and the cradle and wherein the cradle has a body adapted to receive the removable inkjet cartridge and to control the operation of the printhead for printing.

715. The cradle unit according to claim 703, the cradle unit being arranged for use in a print engine for an inkjet printer comprising:
a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply; and wherein the cradle has a body adapted to receive the removable inkjet cartridge and to control the operation of the printhead for printing, and the cradle is configured to be secured to the inkjet printer to receive print media from a media input tray and to deliver printed media to a media output tray.

716. The cradle unit according to claim 703, the cradle unit being arranged for use with a cartridge unit comprising:
a body portion having one or more ink storage compartments; and a pagewidth printhead assembly mountable to said body and configured to receive ink from the one or more compartments and to distribute the ink along the length of the printhead assembly.

717. The cradle unit according to claim 703, the cradle unit being arranged for use with a cartridge unit comprising:
a body portion having one or more ink storage compartments;
a pagewidth printhead assembly mountable to said body portion and configured to receive ink from the one or more compartments for printing; and a capper unit mountable to said body portion so as to extend along the length of the printhead assembly, the capper unit housing a capping element which is movable with respect to the capper unit to contact a surface of the printhead assembly.

718. The cradle unit according to claim 703, the cradle unit being arranged for use with a cartridge unit comprising:
a body portion housing one or more ink storage compartments;
a pagewidth printhead assembly configured to receive ink from the one or more ink storage compartments and having a plurality of nozzles arranged in use to deliver the ink onto passing print media;
and an electrical connector in electrical communication with the nozzles of the printhead assembly and disposed along the length of the printhead assembly for mating with a corresponding connectors of the inkjet printer to control operation of the nozzles.

719. The cradle unit according to claim 703, the cradle unit being arranged for use with a cartridge unit comprising:
a body portion having a plurality of ink storage compartments; and a pagewidth printhead assembly configured to receive ink from ink storage compartments and distribute said ink to a plurality of nozzles arranged in use to deliver the ink onto passing print media;

wherein the ink storage compartments comprise an absorption material which stores the ink therein under capillary action for supply to the nozzles of the printhead assembly.

720. The cradle unit according to claim 703, the cradle unit being arranged for use with a pagewidth printhead assembly comprising:
a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
a plurality of integrated circuits extending the length of the printhead assembly, each integrated circuit having a plurality of nozzles formed in rows thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which the integrated circuits are fixed and which distributes the ink from the body portion to the nozzles of the integrated circuits;
wherein the integrated circuits are aligned in an abutting arrangement across the length of the ink distribution member.

721. The cradle unit according to claim 703, the cradle unit being arranged for use with a pagewidth printhead assembly comprising:
a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles formed thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media;
an ink distribution member upon which the or each integrated circuit are fixed and which distributes the ink from the body portion to the nozzles of the or each integrated circuit;
wherein the body portion has one or more connectors formed thereon for securing the printhead assembly to the one or more ink sources to facilitate ink flow therebetween.

722. The cradle unit according to claim 703, the cradle unit being arranged for use with a pagewidth printhead assembly comprising:
a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles formed thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media;
an ink distribution member upon which the or each integrated circuit is fixed and which distributes the ink from the body portion to the nozzles of the or each integrated circuit;

wherein an electrical connector in electrical communication with the or each integrated circuit extends along the length of the printhead assembly for mating with a corresponding electrical connector of the inkjet printer.

723. The cradle unit according to claim 703, the cradle unit being arranged for use with a pagewidth printhead assembly comprising:
a body portion for receiving ink from one or more ink sources and having one or more channels formed therein for distributing the ink substantially along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which the or each integrated circuit is fixed and which distributes the ink from the body portion to each of the integrated circuits;
wherein the ink distribution member is a unitary element having a plurality of conduits formed therethrough, each of the conduits having an inlet which receives ink from one of the channels of the body portion and an outlet which delivers the ink to a predetermined number of nozzles of the one or more integrated circuits.

724. The cradle unit according to claim 703, the cradle unit being arranged for use with a pagewidth printhead assembly comprising:
a body portion for receiving ink from one or more ink sources and having one or more channels formed therein for distributing the ink substantially along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, each integrated circuit having a plurality of nozzles, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which each integrated circuit is fixed and which distributes the ink from the body portion to each of the integrated circuits;
wherein the ink distribution member comprises a first layer which directs the ink from the one or more channels of the body portion for delivery to each integrated circuit, and a second layer attached to said first layer for receiving and securing each integrated circuit in a position to receive the ink from the first layer.

725. The cradle unit according to claim 703, the cradle unit being arranged for use with a pagewidth printhead adapted to be capped by a capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body and movable with respect to the body to cap at least a portion of said printhead ;
wherein, the body includes a mounting element for removably mounting said capping assembly to said printhead.

726. The cradle unit according to claim 703, the cradle unit being arranged for use with a pagewidth printhead adapted to be capped by a capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body, said capping element having a rim portion adapted to cap at least a portion of said printhead ;
wherein, the capping element is movable with respect to said body between a first and a second position, said first position being where said rim portion extends from said body, and said second position being where said rim portion is contained within said body.

727. The cradle unit according to claim 703, the cradle unit being arranged for use with a pagewidth printhead adapted, to be capped by a capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body and movable with respect to said body between a first and a second position, said first position being where a portion of the capping element extends from said body, and said second position being where said capping element is contained within said body;
wherein, the capping element is biased into said first position.

728. The cradle unit according to claim 703, the cradle unit being arranged for use with a pagewidth printhead adapted to be capped by a capping assembly comprising:
a body configured to extend the length of the printhead;
a capping element housed within said body and having a rim portion adapted to cap at least a portion of the printhead;
a displacement assembly housed within the body for moving the capping element between a first position where the rim portion of the capping element extends from said body, and a second position where the rim portion of the capping element is contained within the body;
wherein, the displacement assembly is controlled by an electromagnet which determines the position.

729. The cradle unit according to claim 703, wherein, a plurality of terminals are located along the length of the body to contact corresponding terminals located along the length of the removable inkjet cartridge to enable electrical communication between the controller and the cartridge.

730. The cradle unit according to claim 703, wherein said body includes a cover assembly for enclosing the removable inkjet cartridge within the body, said cover assembly having at least one port formed therein through which a refill unit is received for refilling the ink supply of the cartridge.

731. The cradle unit according to claim 703, wherein, said body is configured to receive a refill unit for supplying refill ink to the cartridge and includes a refill actuator for dispensing ink from said refill unit into said refillable ink supply.

732. The cradle unit according to claim 703, wherein, said body includes a capper assembly and an electromagnet assembly mounted thereto which is controlled by said controller for operating said capper assembly of the removable inkjet cartridge.

733. The cradle unit according to claim 703, wherein the cartridge is arranged for use with a cover assembly comprising at least one port formed therein through which a refill unit is received for refilling the ink supply of the cartridge.

734. The cradle unit according to claim 703, wherein the cartridge is arranged for use with a cover assembly comprising a refill actuator for dispensing ink from an ink refill unit into said refillable ink supply.

735. The cradle unit according to claim 703, wherein the cartridge has a pagewidth printhead assembly in fluid communication with one or more ink storage compartment and the cartridge is adapted for priming by an ink priming system comprising:
a priming inlet provided on said printhead assembly for receiving a supply of ink for priming the cartridge unit; and an ink flow passage providing fluid connection between said printhead assembly and one of the ink storage compartments;
wherein the ink supplied to the priming inlet of the printhead assembly flows from the printhead assembly to the ink storage compartment via the ink flow passage to prime both the printhead assembly and the ink storage compartment with ink simultaneously.

736. The cradle unit according to claim 703, wherein the cartridge has a pagewidth printhead assembly in fluid communication with one or more ink storage compartment and the cartridge is adapted for priming by an ink priming system comprising:
a priming inlet provided on said printhead assembly for receiving a supply of ink for priming the cartridge unit;
an ink flow passage providing fluid connection between said printhead assembly and one of the ink storage compartments; and a bypass flow passage providing additional fluid connection between the ink flow passage and the ink storage compartment;
wherein the ink supplied to the priming inlet of the printhead assembly flows from the printhead assembly to the ink storage compartment via the ink flow passage and the bypass flow passage to prime both the printhead assembly and the ink storage compartment with ink simultaneously.

737. The cradle unit according to claim 703, the inkjet cartridge is adapted for refilling by a fluid refill cartridge associated with a printing fluid dispenser comprising:
a body storing printing fluid having an outlet through which the printing fluid is dispensed; and a selector arranged to select the amount of the printing fluid to be dispensed from the body.

738. The cradle unit according to claim 703, the cradle unit being arranged for use in a printing unit adapted for refilling by a fluid refill cartridge by way of a method comprising the steps of:
removably mounting a dispenser of printing fluid to the printing unit so as to align an outlet of the dispenser with an inlet of a printing fluid storage chamber of the printing unit;
determining an amount of printing fluid needed to substantially refill the printing fluid storage chamber; and selectively dispensing an amount of printing fluid from the dispenser corresponding to the determined amount.

739. The cradle unit according to claim 703, wherein the inkjet cartridge is adapted for refilling by a fluid refill cartridge associated with a dispensing assembly comprising:
a body for storing printing fluid having an outlet through which the printing fluid is dispensed; and a plunger arranged to selectively change the storage capacity of the body and expel the printing fluid through said outlet by selective engagement of a movable retaining member with a series of grooves arranged along a surface of the plunger, thereby dispensing a selected amount of printing fluid from the outlet.

740. The cradle unit according to claim 703, the cradle unit being arranged for use with a print engine adapted for refilling by a printing fluid refill unit, wherein the refilling is controlled by a system comprising:
an information storage element incorporated in the refill unit for storing information on the amount of printing fluid contained in the refill unit; and an information reader incorporated in the print engine for reading the information stored by the storage element when the refill unit is mounted to the print engine and for controlling the refilling of the print engine with the printing fluid contained in the refill unit based on the information read.

741. The cradle unit according to claim 703, the cradle unit being arranged for use with a print engine adapted for refilling by a printing fluid refill unit comprising an information storage element for storing information on the amount of printing fluid contained in the refill unit and for connecting with an information reader incorporated in the print engine for reading the information stored by the storage element when the refill unit is mounted to the print engine, wherein the information stored by the storage element enables the reader to control the refilling of the print engine with the printing fluid contained in the refill unit.

742. The cradle unit according to claim 703, the cradle unit being arranged for use in a printing unit adapted for refilling by a printing fluid refill cartridge, the refilling being controlled by a method comprising the steps of :
storing information on an amount of printing fluid contained in the refill cartridge in an information storage element incorporated therein;
mounting the refill cartridge to the printing unit;

reading the information on the amount of printing fluid with an information reader incorporated in the printing unit; and controlling the refilling of the printing unit with printing fluid contained in the refill cartridge based on the information read.

743. The cradle unit according to claim 703, wherein the cartridge is associated with a printing fluid storage device comprising a porous body having a plurality of individual channels arranged in an array to store printing fluid and supply the stored printing fluid to at least one printing fluid ejecting nozzle of a printhead of a printer unit, wherein a first end of each of the channels is in fluid communication with a printing fluid supply to extract printing fluid from the fluid supply for storage therein under capillary action and the stored printing fluid is supplied to the at least one nozzle under capillary action.

744. A cradle unit for an inkjet printer comprising:
a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead and a refillable ink supply; and a controller for controlling the operation of the printhead to facilitate printing;
wherein, said body includes a cover assembly for enclosing the removable inkjet cartridge within the body, said cover assembly having at least one port formed therein through which a refill unit is received for refilling the ink supply of the cartridge.

745. A cradle unit according to claim 744, wherein the body defines a recess to receive the removable inkjet cartridge and said cover assembly secures the removable inkjet cartridge within said recess.

746. A cradle unit according to claim 745, wherein the port is shaped to receive at least a portion of the refill unit.

747. A cradle unit according to claim 746, wherein the port includes a retaining means for engaging with the refill unit to secure the refill unit in position for refilling the ink supply of the cartridge.

748. A cradle unit according to claim 747, wherein the retaining means includes a clip member which engages with a recess provided in refill unit to secure the refill unit in position.

749. A cradle unit according to claim 746, wherein the port includes a receiver unit arranged therein for engaging with an integrated circuit provided on the refill unit when the refill unit is received by said port.

750. A cradle unit according to claim 749, wherein the integrated circuit is a quality assurance chip which stores information relating to the type and/or amount of printing fluid contained in said refill unit.

751. A cradle unit according to claim 750, wherein the reader unit transmits said information to the controller to control the refilling process.

752. A cradle unit according to claim 751, wherein the cover assembly includes an actuator member arranged therein which operates said refill unit to facilitate refilling of the ink supply of the cartridge.

753. A cradle unit according to claim 752, wherein the actuator member is a push rod which extends into said port to engage with the refill unit to release ink from the refill unit into said ink supply of the cartridge.

754. A cradle unit according to claim 753, wherein said push rod is activated by a solenoid actuator which is mounted to the body.

755. A cradle unit according to claim 752, wherein the actuator member is a gear mechanism which meshes with a corresponding gear mechanism provided on the refill unit to facilitate release of ink from the refill unit into said ink supply of the cartridge.

756. A cradle unit according to claim 755, wherein the gear mechanism is activated by a motor which is mounted to the body.

757. The cradle unit according to claim 744, the cradle unit being arranged for use with an inkjet printer unit comprising:
a media input tray for supplying print media for printing;
a print engine for printing an image on said print media; and a media output tray for collecting the printed media;
wherein the print engine comprises a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply and the cradle and wherein the cradle has a body adapted to receive the removable inkjet cartridge and to control the operation of the printhead for printing.

758. The cradle unit according to claim 744, the cradle unit being arranged for use in a print engine for an inkjet printer comprising:
a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply; and wherein the cradle has a body adapted to receive the removable inkjet cartridge and to control the operation of the printhead for printing, and the cradle is configured to be secured to the inkjet printer to receive print media from a media input tray and to deliver printed media to a media output tray.

759. The cradle unit according to claim 744, the cradle unit being arranged for use with a cartridge unit comprising:

a body portion having one or more ink storage compartments; and a pagewidth printhead assembly mountable to said body and configured to receive ink from the one or more compartments and to distribute the ink along the length of the printhead assembly.

760. The cradle unit according to claim 744, the cradle unit being arranged for use with a cartridge unit comprising:
a body portion having one or more ink storage compartments;
a pagewidth printhead assembly mountable to said body portion and configured to receive ink from the one or more compartments for printing; and a capper unit mountable to said body portion so as to extend along the length of the printhead assembly, the capper unit housing a capping element which is movable with respect to the capper unit to contact a surface of the printhead assembly.

761. The cradle unit according to claim 744, the cradle unit being arranged for use with a cartridge unit comprising:
a body portion housing one or more ink storage compartments;
a pagewidth printhead assembly configured to receive ink from the one or more ink storage compartments and having a plurality of nozzles arranged in use to deliver the ink onto passing print media;
and an electrical connector in electrical communication with the nozzles of the printhead assembly and disposed along the length of the printhead assembly for mating with a corresponding connectors of the inkjet printer to control operation of the nozzles.

762. The cradle unit according to claim 744, the cradle unit being arranged for use with a cartridge unit comprising:
a body portion having a plurality of ink storage compartments; and a pagewidth printhead assembly configured to receive ink from ink storage compartments and distribute said ink to a plurality of nozzles arranged in use to deliver the ink onto passing print media;
wherein the ink storage compartments comprise an absorption material which stores the ink therein under capillary action for supply to the nozzles of the printhead assembly.

763. The cradle unit according to claim 744, the cradle unit being arranged for use with a pagewidth printhead assembly comprising:
a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
a plurality of integrated circuits extending the length of the printhead assembly, each integrated circuit having a plurality of nozzles formed in rows thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which the integrated circuits are fixed and which distributes the ink from the body portion to the nozzles of the integrated circuits;
wherein the integrated circuits are aligned in an abutting arrangement across the length of the ink distribution member.

764. The cradle unit according to claim 744, the cradle unit being arranged for use with a pagewidth printhead assembly comprising:
a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles formed thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media;
an ink distribution member upon which the or each integrated circuit are fixed and which distributes the ink from the body portion to the nozzles of the or each integrated circuit;
wherein the body portion has one or more connectors formed thereon for securing the printhead assembly to the one or more ink sources to facilitate ink flow therebetween.

765. The cradle unit according to claim 744, the cradle unit being arranged for use with a pagewidth printhead assembly comprising:
a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles formed thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media;
an ink distribution member upon which the or each integrated circuit is fixed and which distributes the ink from the body portion to the nozzles of the or each integrated circuit;
wherein an electrical connector in electrical communication with the or each integrated circuit extends along the length of the printhead assembly for mating with a corresponding electrical connector of the inkjet printer.

766. The cradle unit according to claim 744, the cradle unit being arranged for use with a pagewidth printhead assembly comprising:
a body portion for receiving ink from one or more ink sources and having one or more channels formed therein for distributing the ink substantially along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which the or each integrated circuit is fixed and which distributes the ink from the body portion to each of the integrated circuits;

wherein the ink distribution member is a unitary element having a plurality of conduits formed therethrough, each of the conduits having an inlet which receives ink from one of the channels of the body portion and an outlet which delivers the ink to a predetermined number of nozzles of the one or more integrated circuits.

767. The cradle unit according to claim 744, the cradle unit being arranged for use with a pagewidth printhead assembly comprising:
a body portion for receiving ink from one or more ink sources and having one or more channels formed therein for distributing the ink substantially along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, each integrated circuit having a plurality of nozzles, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which each integrated circuit is fused and which distributes the ink from the body portion to each of the integrated circuits;
wherein the ink distribution member comprises a first layer which directs the ink from the one or more channels of the body portion for delivery to each integrated circuit, and a second layer attached to said first layer for receiving and securing each integrated circuit in a position to receive the ink from the first layer.

768. The cradle unit according to claim 744, the cradle unit being arranged for use with a pagewidth printhead adapted to be capped by a capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body and movable with respect to the body to cap at least a portion of said printhead ;
wherein, the body includes a mounting element for removably mounting said capping assembly to said printhead.

769. The cradle unit according to claim 744, the cradle unit being arranged for use with a pagewidth printhead adapted to be capped by a capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body, said capping element having a rim portion adapted to cap at least a portion of said printhead ;
wherein, the capping element is movable with respect to said body between a first and a second position, said first position being where said rim portion extends from said body, and said second position being where said rim portion is contained within said body.

770. The cradle unit according to claim 744, the cradle unit being arranged for use with a pagewidth printhead adapted to be capped by a capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body and movable with respect to said body between a first and a second position, said first position being where a portion of the capping element extends from said body, and said second position being where said capping element is contained within said body;
wherein, the capping element is biased into said first position.

771. The cradle unit according to claim 744, the cradle unit being arranged for use with a pagewidth printhead adapted to be capped by a capping assembly comprising:
a body configured to extend the length of the printhead;
a capping element housed within said body and having a rim portion adapted to cap at least a portion of the printhead;
a displacement assembly housed within the body for moving the capping element between a first position where the rim portion of the capping element extends from said body, and a second position where the rim portion of the capping element is contained within the body;
wherein, the displacement assembly is controlled by an electromagnet which determines the position.

772. The cradle unit according to claim 744, wherein, a plurality of terminals are located along the length of the body to contact corresponding terminals located along the length of the removable inkjet cartridge to enable electrical communication between the controller and the cartridge.

773. The cradle unit according to claim 744, wherein said plurality of terminals are arranged to pivotally engage with said corresponding terminals provided on said cartridge when said cartridge is received by said body.

774. The cradle unit according to claim 744, wherein, said body is configured to receive a refill unit for supplying refill ink to the cartridge and includes a refill actuator for dispensing ink from said refill unit into said refillable ink supply.

775. The cradle unit according to claim 744, wherein, said body includes a capper assembly and an electromagnet assembly mounted thereto which is controlled by said controller for operating said capper assembly of the removable inkjet cartridge.

776. The cradle unit according to claim 744, wherein the cartridge is arranged for use with a cover assembly comprising at least one port formed therein through which a refill unit is received for refilling the ink supply of the cartridge.

777. The cradle unit according to claim 744, wherein the cartridge is arranged for use with a cover assembly comprising a refill actuator for dispensing ink from an ink refill unit into said refillable ink supply.

778. The cradle unit according to claim 744, wherein the cartridge has a pagewidth printhead assembly in fluid communication with one or more ink storage compartment and the cartridge is adapted for priming by an ink priming system comprising:
a priming inlet provided on said printhead assembly for receiving a supply of ink for priming the cartridge unit; and an ink flow passage providing fluid connection between said printhead assembly and one of the ink storage compartments;
wherein the ink supplied to the priming inlet of the printhead assembly flows from the printhead assembly to the ink storage compartment via the ink flow passage to prime both the printhead assembly and the ink storage compartment with ink simultaneously.

779. The cradle unit according to claim 744, wherein the cartridge has a pagewidth printhead assembly in fluid communication with one or more ink storage compartment and the cartridge is adapted for priming by an ink priming system comprising:
a priming inlet provided on said printhead assembly for receiving a supply of ink for priming the cartridge unit;
an ink flow passage providing fluid connection between said printhead assembly and one of the ink storage compartments; and a bypass flow passage providing additional fluid connection between the ink flow passage and the ink storage compartment;
wherein the ink supplied to the priming inlet of the printhead assembly flows from the printhead assembly to the ink storage compartment via the ink flow passage and the bypass flow passage to prime both the printhead assembly and the ink storage compartment with ink simultaneously.

780. The cradle unit according to claim 744, the inkjet cartridge is adapted for refilling by a fluid refill cartridge associated with a printing fluid dispenser comprising:
a body storing printing fluid having an outlet through which the printing fluid is dispensed; and a selector arranged to select the amount of the printing fluid to be dispensed from the body.

781. The cradle unit according to claim 744, the cradle unit being arranged for use in a printing unit adapted for refilling by a fluid refill cartridge by way of a method comprising the steps of:
removably mounting a dispenser of printing fluid to the printing unit so as to align an outlet of the dispenser with an inlet of a printing fluid storage chamber of the printing unit;
determining an amount of printing fluid needed to substantially refill the printing fluid storage chamber; and selectively dispensing an amount of printing fluid from the dispenser corresponding to the determined amount.

782. The cradle unit according to claim 744, wherein the inkjet cartridge is adapted for refilling by a fluid refill cartridge associated with a dispensing assembly comprising:
a body for storing printing fluid having an outlet through which the printing fluid is dispensed; and a plunger arranged to selectively change the storage capacity of the body and expel the printing fluid through said outlet by selective engagement of a movable retaining member with a series of grooves arranged along a surface of the plunger, thereby dispensing a selected amount of printing fluid from the outlet.

783. The cradle unit according to claim 744, the cradle unit being arranged for use with a print engine adapted for refilling by a printing fluid refill unit, wherein the refilling is controlled by a system comprising:
an information storage element incorporated in the refill unit for storing information on the amount of printing fluid contained in the refill unit; and an information reader incorporated in the print engine for reading the information stored by the storage element when the refill unit is mounted to the print engine and for controlling the refilling of the print engine with the printing fluid contained in the refill unit based on the information read.

784. The cradle unit according to claim 744, the cradle unit being arranged for use with a print engine adapted for refilling by a printing fluid refill unit comprising an information storage element for storing information on the amount of printing fluid contained in the refill unit and for connecting with an information reader incorporated in the print engine for reading the information stored by the storage element when the refill unit is mounted to the print engine, wherein the information stored by the storage element enables the reader to control the refilling of the print engine with the printing fluid contained in the refill unit.

785. The cradle unit according to claim 744, the cradle unit being arranged for use in a printing unit adapted for refilling by a printing fluid refill cartridge, the refilling being controlled by a method comprising the steps of :
storing information on an amount of printing fluid contained in the refill cartridge in an information storage element incorporated therein;
mounting the refill cartridge to the printing unit;
reading the information on the amount of printing fluid with an information reader incorporated in the printing unit; and controlling the refilling of the printing unit with printing fluid contained in the refill cartridge based on the information read.

786. The cradle unit according to claim 744, wherein the cartridge is associated with a printing fluid storage device comprising a porous body having a plurality of individual channels arranged in an array to store printing fluid and supply the stored printing fluid to at least one printing fluid ejecting nozzle of a printhead of a printer unit, wherein a first end of each of the channels is in fluid communication with a printing fluid supply to extract printing fluid from the fluid supply for storage therein under capillary action and the stored printing fluid is supplied to the at least one nozzle under capillary action.

787. A cradle unit for an inkjet printer comprising:
a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead and a refillable ink supply; and a controller for controlling the operation of the printhead to facilitate printing;
wherein, said body is configured to receive a refill unit for supplying refill ink to the cartridge and includes a refill actuator for dispensing ink from said refill unit into said refillable ink supply.

788. A cradle unit according to claim 787, wherein the body defines a recess to receive the removable inkjet cartridge.

789. A cradle unit according to claim 788, wherein the body includes a cover assembly for securing the removable inkjet cartridge within said recess 790. A cradle unit according to claim 789, wherein the cover assembly has a port formed therein through which said refill unit is received for supplying refill ink to the removable inkjet cartridge.

791. A cradle unit according to claim 790, wherein the port includes a retaining means for engaging with the refill unit to secure the refill unit in position for refilling the ink supply of the cartridge.

792. A cradle unit according to claim 791, wherein the retaining means includes a clip member which engages with a recess provided in refill unit to'secure the refill unit in position.

793. A cradle unit according to claim 792, wherein the port includes a receiver unit arranged therein for engaging with an integrated circuit provided on the refill unit when the refill unit is received by said port.

794. A cradle unit according to claim 793, wherein the integrated circuit is a quality assurance chip which stores information relating to the type and/or amount of printing fluid contained in said refill unit.

795. A cradle unit according to claim 794, wherein the reader unit transmits said information to the controller to control the refilling process.

796. A cradle unit according to claim 791, wherein the refill actuator is provided within the cover assembly and includes an actuator member arranged therein which operates said refill unit to facilitate refilling of the ink supply of the cartridge.

797. A cradle unit according to claim 796, wherein the actuator member is a push rod which extends into said port to engage with the refill unit to release ink from the refill unit into said ink supply of the cartridge.

798. A cradle unit according to claim 797, wherein said push rod is activated by a solenoid actuator which is mounted to the body.

799. A cradle unit according to claim 796, wherein the actuator member is a gear mechanism which meshes with a corresponding gear mechanism provided on the refill unit to facilitate release of ink from the refill unit into said ink supply of the cartridge.

800. A cradle unit according to claim 799, wherein the gear mechanism is activated by a motor which is mounted to the body.

801. The cradle unit according to claim 787, the cradle unit being arranged for use with an inkjet printer unit comprising:
a media input tray for supplying print media for printing;
a print engine for printing an image on said print media; and a media output tray for collecting the printed media;
wherein the print engine comprises a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply and the cradle and wherein the cradle has a body adapted to receive the removable inkjet cartridge and to control the operation of the printhead for printing.

802. The cradle unit according to claim 787, the cradle unit being arranged for use in a print engine for an inkjet printer comprising:
a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply; and wherein the cradle has a body adapted to receive the removable inkjet cartridge and to control the operation of the printhead for printing, and the cradle is configured to be secured to the inkjet printer to receive print media from a media input tray and to deliver printed media to a media output tray.

803. The cradle unit according to claim 787, the cradle unit being arranged for use with a cartridge unit comprising:
a body portion having one or more ink storage compartments; and a pagewidth printhead assembly mountable to said body and configured to receive ink from the one or more compartments and to distribute the ink along the length of the printhead assembly.

804. The cradle unit according to claim 787, the cradle unit being arranged for use with a cartridge unit comprising:

a body portion having one or more role storage compartments;
a pagewidth printhead assembly mountable to said body portion and configured to receive ink from the one or more compartments for printing; and a capper unit mountable to said body portion so as to extend along the length of the printhead assembly, the capper unit housing a capping element which is movable with respect to the capper unit to contact a surface of the printhead assembly.

805. The cradle unit according to claim 787, the cradle unit being arranged for use with a cartridge unit comprising:
a body portion housing one or more ink storage compartments;
a pagewidth printhead assembly configured to receive ink from the one or more ink storage compartments and having a plurality of nozzles arranged in use to deliver the ink onto passing print media;
and an electrical connector in electrical communication with the nozzles of the printhead assembly and disposed along the length of the printhead assembly for mating with a corresponding connectors of the inkjet printer to control operation of the nozzles.

806. The cradle unit according to claim 787, the cradle unit being arranged for use with a cartridge unit comprising:
a body portion having a plurality of ink storage compartments; and a pagewidth printhead assembly configured to receive ink from ink storage compartments and distribute said ink to a plurality of nozzles arranged in use to deliver the ink onto passing print media;
wherein the ink storage compartments comprise an absorption material which stores the ink therein under capillary action for supply to the nozzles of the printhead assembly.

807. The cradle unit according to claim 787, the cradle unit being arranged for use with a pagewidth printhead assembly comprising:
a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
a plurality of integrated circuits extending the length of the printhead assembly, each integrated circuit having a plurality of nozzles formed in rows thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which the integrated circuits are fixed and which distributes the ink from the body portion to the nozzles of the integrated circuits;
wherein the integrated circuits are aligned in an abutting arrangement across the length of the ink distribution member.

808. The cradle unit according to claim 787, the cradle unit being arranged for use with a pagewidth printhead assembly comprising:

a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles formed thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media;
an ink distribution member upon which the or each integrated circuit are fixed and which distributes the ink from the body portion to the nozzles of the or each integrated circuit;
wherein the body portion has one or more connectors formed thereon for securing the printhead assembly to the one or more ink sources to facilitate ink flow therebetween.

809. The cradle unit according to claim 787, the cradle unit being arranged for use with a pagewidth printhead assembly comprising:
a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles formed thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media;
an ink distribution member upon which the or each integrated circuit is fixed and which distributes the ink from the body portion to the nozzles of the or each integrated circuit;
wherein an electrical connector in electrical communication with the or each integrated circuit extends along the length of the printhead assembly for mating with a corresponding electrical connector of the inkjet printer.

810. The cradle unit according to claim 787, the cradle unit being arranged for use with a pagewidth printhead assembly comprising:
a body portion for receiving ink from one or more ink sources and having one or more channels formed therein for distributing the ink substantially along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which the or each integrated circuit is fixed and which distributes the ink from the body portion to each of the integrated circuits;
wherein the ink distribution member is a unitary element having a plurality of conduits formed therethrough, each of the conduits having an inlet which receives ink from one of the channels of the body portion and an outlet which delivers the ink to a predetermined number of nozzles of the one or more integrated circuits.

811. The cradle unit according to claim 787, the cradle unit being arranged for use with a pagewidth printhead assembly comprising:

a body portion for receiving ink from one or more ink sources and having one or more channels formed therein for distributing the ink substantially along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, each integrated circuit having a plurality of nozzles, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which each integrated circuit is fixed and which distributes the ink from the body portion to each of the integrated circuits;
wherein the ink distribution member comprises a first layer which directs the ink from the one or more channels of the body portion for delivery to each integrated circuit, and a second layer attached to said first layer for receiving and securing each integrated circuit in a position to receive the ink from the first layer.

812. The cradle unit according to claim 787, the cradle unit being arranged for use with a pagewidth printhead adapted to be capped by a capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body and movable with respect to the body to cap at least a portion of said printhead ;
wherein, the body includes a mounting element for removably mounting said capping assembly to said printhead.

813. The cradle unit according to claim 787, the cradle unit being arranged for use with a pagewidth printhead adapted to be capped by a capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body, said capping element having a rim portion adapted to cap at least a portion of said printhead ;
wherein, the capping element is movable with respect to said body between a first and a second position, said first position being where said rim portion extends from said body, and said second position being where said rim portion is contained within said body.

814. The cradle unit according to claim 787, the cradle unit being arranged for use with a pagewidth printhead adapted to be capped by a capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body and movable with respect to said body between a first and a second position, said first position being where a portion of the capping element extends from said body, and said second position being where said capping element is contained within said body;
wherein, the capping element is biased into said first position.

815. The cradle unit according to claim 787, the cradle unit being arranged for use with a pagewidth printhead adapted to be capped by a capping assembly comprising:
a body configured to extend the length of the printhead;

a capping element housed within said body and having a rim portion adapted to cap at least a portion of the printhead;
a displacement assembly housed within the body for moving the capping element between a first position where the rim portion of the capping element extends from said body, and a second position where the rim portion of the capping element is contained within the body;
wherein, the displacement assembly is controlled by an electromagnet which determines the position.

816. The cradle unit according to claim 787, wherein, a plurality of terminals are located along the length of the body to contact corresponding terminals located along the length of the removable inkjet cartridge to enable electrical communication between the controller and the cartridge.

817. The cradle unit according to claim 787, wherein said plurality of terminals are arranged to pivotally engage with said corresponding terminals provided on said cartridge when said cartridge is received by said body.

818. The cradle unit according to claim 787, wherein, said body includes a cover assembly for enclosing the removable inkjet cartridge within the body, said cover assembly having at least one port formed therein through which a refill unit is received for refilling the ink supply of the cartridge.

819. The cradle unit according to claim 787, wherein, said body includes a capper assembly and an electromagnet assembly mounted thereto which is controlled by said controller for operating said capper assembly of the removable inkjet cartridge.

820. The cradle unit according to claim 787, wherein the cartridge is arranged for use with a cover assembly comprising at least one port formed therein through which a refill unit is received for refilling the ink supply of the cartridge.

821. The cradle unit according to claim 787, wherein the cartridge is arranged for use with a cover assembly comprising a refill actuator for dispensing ink from an ink refill unit into said refillable ink supply.

822. The cradle unit according to claim 787, wherein the cartridge has a pagewidth printhead assembly in fluid communication with one or more ink storage compartment and the cartridge is adapted for priming by an ink priming system comprising:
a priming inlet provided on said printhead assembly for receiving a supply of ink for priming the cartridge unit; and an ink flow passage providing fluid connection between said printhead assembly and one of the ink storage compartments;

wherein the ink supplied to the priming inlet of the printhead assembly flows from the printhead assembly to the ink storage compartment via the ink flow passage to prime both the printhead assembly and the ink storage compartment with ink simultaneously.

823. The cradle unit according to claim 787, wherein the cartridge has a pagewidth printhead assembly in fluid communication with one or more ink storage compartment and the cartridge is adapted for priming by an ink priming system comprising:
a priming inlet provided on said printhead assembly for receiving a supply of ink for priming the cartridge unit;
an ink flow passage providing fluid connection between said printhead assembly and one of the ink storage compartments; and a bypass flow passage providing additional fluid connection between the ink flow passage and the ink storage compartment;
wherein the ink supplied to the priming inlet of the printhead assembly flows from the printhead assembly to the ink storage compartment via the ink flow passage and the bypass flow passage to prime both the printhead assembly and the ink storage compartment with ink simultaneously.

824. The cradle unit according to claim 787, the inkjet cartridge is adapted for refilling by a fluid refill cartridge associated with a printing fluid dispenser comprising:
a body storing printing fluid having an outlet through which the printing fluid is dispensed; and a selector arranged to select the amount of the printing fluid to be dispensed from the body.

825. The cradle unit according to claim 787, the cradle unit being arranged for use in a printing unit adapted for refilling by a fluid refill cartridge by way of a method comprising the steps of:
removably mounting a dispenser of printing fluid to the printing unit so as to align an outlet of the dispenser with an inlet of a printing fluid storage chamber of the printing unit;
determining an amount of printing fluid needed to substantially refill the printing fluid storage chamber; and selectively dispensing an amount of printing fluid from the dispenser corresponding to the determined amount.

826. The cradle unit according to claim 787, wherein the inkjet cartridge is adapted for refilling by a fluid refill cartridge associated with a dispensing assembly comprising:
a body for storing printing fluid having an outlet through which the printing fluid is dispensed; and a plunger arranged to selectively change the storage capacity of the body and expel the printing fluid through said outlet by selective engagement of a movable retaining member with a series of grooves arranged along a surface of the plunger, thereby dispensing a selected amount of printing fluid from the outlet.

827. The cradle unit according to claim 787, the cradle unit being arranged for use with a print engine adapted for refilling by a printing fluid refill unit, wherein the refilling is controlled by a system comprising:
an information storage element incorporated in the refill unit for storing information on the amount of printing fluid contained in the refill unit; and an information reader incorporated in the print engine for reading the information stored by the storage element when the refill unit is mounted to the print engine and for controlling the refilling of the print engine with the printing fluid contained in the refill unit based on the information read.

828. The cradle unit according to claim 787, the cradle unit being arranged for use with a print engine adapted for refilling by a printing fluid refill unit comprising an information storage element for storing information on the amount of printing fluid contained in the refill unit and for connecting with an information reader incorporated in the print engine for reading the information stored by the storage element when the refill unit is mounted to the print engine, wherein the information stored by the storage element enables the reader to control the refilling of the print engine with the printing fluid contained in the refill unit.

829. The cradle unit according to claim 787, the cradle unit being arranged for use in a printing unit adapted for refilling by a printing fluid refill cartridge, the refilling being controlled by a method comprising the steps of :
storing information on an amount of printing fluid contained in the refill cartridge in an information storage element incorporated therein;
mounting the refill cartridge to the printing unit;
reading the information on the amount of printing fluid with an information reader incorporated in the printing unit; and controlling the refilling of the printing unit with printing fluid contained in the refill cartridge based on the information read.

830. The cradle unit according to claim 787, wherein the cartridge is associated with a printing fluid storage device comprising a porous body having a plurality of individual channels arranged in an array to store printing fluid and supply the stored printing fluid to at least one printing fluid ejecting nozzle of a printhead of a printer unit, wherein a first end of each of the channels is in fluid communication with a printing fluid supply to extract printing fluid from the fluid supply for storage therein under capillary action and the stored printing fluid is supplied to the at least one nozzle under capillary action.

831. A cradle unit for an inkjet printer comprising:
a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead, an ink supply and a capper assembly; and a controller for controlling the operation of the printhead to facilitate printing;

wherein, said body includes an electromagnet assembly mounted thereto which is controlled by said controller for operating said capper assembly of the removable inkjet cartridge.

832. A cradle unit according to claim 831, wherein the body defines a recess to receive the removable inkjet cartridge and the electromagnet assembly is positioned within said recess.

833. A cradle unit according to claim 832, wherein said electromagnet assembly is positioned within said recess so as to be located proximal the capper assembly of the cartridge when said cartridge is received in said recess.

834. A cradle unit according to claim 833, wherein activation of said electromagnet assembly by said controller causes the capper assembly to move to an uncapped position remote from said printhead.

835. A cradle unit according to claim 834, wherein at least a portion of said capper assembly is made from a material with magnetic properties and activation of said electromagnet assembly causes said portion of the capper assembly to move towards said electromagnet assembly.

836. A cradle unit according to claim 834, wherein deactivation of said electromagnet assembly by said controller causes the capper assembly to return to its capped position which caps a surface of the printhead.

837. A cradle unit according to claim 836, wherein the surface of the printhead capped by said capper assembly comprises a plurality of ink ejection nozzles for ejecting ink onto a print media surface.

838. The cradle unit according to claim 831, the cradle unit being arranged for use with an inkjet printer unit comprising:
a media input tray for supplying print media for printing;
a print engine for printing an image on said print media; and a media output tray for collecting the printed media;
wherein the print engine comprises a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply and the cradle and wherein the cradle has a body adapted to receive the removable inkjet cartridge and to control the operation of the printhead for printing.

839. The cradle unit according to claim 831, the cradle unit being arranged for use in a print engine for an inkjet printer comprising:
a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply; and wherein the cradle has a body adapted to receive the removable inkjet cartridge and to control the operation of the printhead for printing, and the cradle is configured to be secured to the inkjet printer to receive print media from a media input tray and to deliver printed media to a media output tray.

840. The cradle unit according to claim 831, the cradle unit being arranged for use with a cartridge unit comprising:
a body portion having one or more ink storage compartments; and a pagewidth printhead assembly mountable to said body and configured to receive ink from the one or more compartments and to distribute the ink along the length of the printhead assembly.

841. The cradle unit according to claim 831, the cradle unit being arranged for use with a cartridge unit comprising:
a body portion having one or more ink storage compartments;
a pagewidth printhead assembly mountable to said body portion and configured to receive ink from the one or more compartments for printing; and a capper unit mountable to said body portion so as to extend along the length of the printhead assembly, the capper unit housing a capping element which is movable with respect to the capper unit to contact a surface of the printhead assembly.

842. The cradle unit according to claim 831, the cradle unit being arranged for use with a cartridge unit comprising:
a body portion housing one or more ink storage compartments;
a pagewidth printhead assembly configured to receive ink from the one or more ink storage compartments and having a plurality of nozzles arranged in use to deliver the ink onto passing print media;
and an electrical connector in electrical communication with the nozzles of the printhead assembly and disposed along the length of the printhead assembly for mating with a corresponding connectors of the inkjet printer to control operation of the nozzles.

843. The cradle unit according to claim 831, the cradle unit being arranged for use with a cartridge unit comprising:
a body portion having a plurality of ink storage compartments; and a pagewidth printhead assembly configured to receive ink from ink storage compartments and distribute said ink to a plurality of nozzles arranged in use to deliver the ink onto passing print media;
wherein the ink storage compartments comprise an absorption material which stores the ink therein under capillary action for supply to the nozzles of the printhead assembly.

844. The cradle unit according to claim 831, the cradle unit being arranged for use with a pagewidth printhead assembly comprising:

a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
a plurality of integrated circuits extending the length of the printhead assembly, each integrated circuit having a plurality of nozzles formed in rows thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which the integrated circuits are fixed and which distributes the ink from the body portion to the nozzles of the integrated circuits;
wherein the integrated circuits are aligned in an abutting arrangement across the length of the ink distribution member.

845. The cradle unit according to claim 831, the cradle unit being arranged for use with a pagewidth printhead assembly comprising:
a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles formed thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media;
an ink distribution member upon which the or each integrated circuit are fixed and which distributes the ink from the body portion to the nozzles of the or each integrated circuit;
wherein the body portion has one or more connectors formed thereon for securing the printhead assembly to the one or more ink sources to facilitate ink flow therebetween.

846. The cradle unit according to claim 831, the cradle unit being arranged for use with a pagewidth printhead assembly comprising:
a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles formed thereon, each of the nozzles being arranged in use to deliver the role onto passing print media;
an ink distribution member upon which the or each integrated circuit is fixed and which distributes the ink from the body portion to the nozzles of the or each integrated circuit;
wherein an electrical connector in electrical communication with the or each integrated circuit extends along the length of the printhead assembly for mating with a corresponding electrical connector of the inkjet printer.

847. The cradle unit according to claim 831, the cradle unit being arranged for use with a pagewidth printhead assembly comprising:
a body portion for receiving ink from one or more ink sources and having one or more channels formed therein for distributing the ink substantially along the length of the printhead assembly;

one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which the or each integrated circuit is fixed and which distributes the ink from the body portion to each of the integrated circuits;
wherein the ink distribution member is a unitary element having a plurality of conduits formed therethrough, each of the conduits having an inlet which receives ink from one of the channels of the body portion and an outlet which delivers the ink to a predetermined number of nozzles of the one or more integrated circuits.

848. The cradle unit according to claim 831, the cradle unit being arranged for use with a pagewidth printhead assembly comprising:
a body portion for receiving ink from one or more ink sources and having one or more channels formed therein for distributing the ink substantially along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, each integrated circuit having a plurality of nozzles, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which each integrated circuit is fixed and which distributes the ink from the body portion to each of the integrated circuits;
wherein the ink distribution member comprises a first layer which directs the ink from the one or more channels of the body portion for delivery to each integrated circuit, and a second layer attached to said first layer for receiving and securing each integrated circuit in a position to receive the ink from the first layer.

849. The cradle unit according to claim 831, the cradle unit being arranged for use with a pagewidth printhead adapted to be capped by a capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body and movable with respect to the body to cap at least a portion of said printhead ;
wherein, the body includes a mounting element for removably mounting said capping assembly to said printhead.

850. The cradle unit according to claim 831, the cradle unit being arranged for use with a pagewidth printhead adapted to be capped by a capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body, said capping element having a rim portion adapted to cap at least a portion of said printhead ;
wherein, the capping element is movable with respect to said body between a first and a second position, said first position being where said rim portion extends from said body, and said second position being where said rim portion is contained within said body.

851. The cradle unit according to claim 831, the cradle unit being arranged for use with a pagewidth printhead adapted to be capped by a capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body and movable with respect to said body between a first and a second position, said first position being where a portion of the capping element extends from said body, and said second position being where said capping element is contained within said body;
wherein, the capping element is biased into said first position.

852. The cradle unit according to claim 831, the cradle unit being arranged for use with a pagewidth printhead adapted to be capped by a capping assembly comprising:
a body configured to extend the length of the printhead;
a capping element housed within said body and having a rim portion adapted to cap at least a portion of the printhead;
a displacement assembly housed within the body for moving the capping element between a first position where the rim portion of the capping element extends from said body, and a second position where the rim portion of the capping element is contained within the body;
wherein, the displacement assembly is controlled by an electromagnet which determines the position.

853. The cradle unit according to claim 831, wherein, a plurality of terminals are located along the length of the body to contact corresponding terminals located along the length of the removable inkjet cartridge to enable electrical communication between the controller and the cartridge.

854. The cradle unit according to claim 831, wherein said plurality of terminals are arranged to pivotally engage with said corresponding terminals provided on said cartridge when said cartridge is received by said body.

855. The cradle unit according to claim 831, wherein, said body includes a cover assembly for enclosing the removable inkjet cartridge within the body, said cover assembly having at least one port formed therein through which a refill unit is received for refilling the ink supply of the cartridge.

856. The cradle unit according to claim 831, wherein, said body is configured to receive a refill unit for supplying refill ink to the cartridge and includes a refill actuator for dispensing ink from said refill unit into said refillable ink supply.

857. The cradle unit according to claim 831, wherein the cartridge is arranged for use with a cover assembly comprising at least one port formed therein through which a refill unit is received for refilling the ink supply of the cartridge.

858. The cradle unit according to claim 831, wherein the cartridge is arranged for use with a cover assembly comprising a refill actuator for dispensing ink from an ink refill unit into said refillable ink supply.

859. The cradle unit according to claim 831, wherein the cartridge has a pagewidth printhead assembly in fluid communication with one or more ink storage compartment and the cartridge is adapted for priming by an ink priming system comprising:
a priming inlet provided on said printhead assembly for receiving a supply of ink for priming the cartridge unit; and an ink flow passage providing fluid connection between said printhead assembly and one of the ink storage compartments;
wherein the ink supplied to the priming inlet of the printhead assembly flows from the printhead assembly to the ink storage compartment via the ink flow passage to prime both the printhead assembly and the ink storage compartment with ink simultaneously.

860. The cradle unit according to claim 831, wherein the cartridge has a pagewidth printhead assembly in fluid communication with one or more ink storage compartment and the cartridge is adapted for priming by an ink priming system comprising:
a priming inlet provided on said printhead assembly for receiving a supply of ink for priming the cartridge unit;
an ink flow passage providing fluid connection between said printhead assembly and one of the ink storage compartments; and a bypass flow passage providing additional fluid connection between the ink flow passage and the ink storage compartment;
wherein the ink supplied to the priming inlet of the printhead assembly flows from the printhead assembly to the ink storage compartment via the ink flow passage and the bypass flow passage to prime both the printhead assembly and the ink storage compartment with ink simultaneously.

861. The cradle unit according to claim 831, the inkjet cartridge is adapted for refilling by a fluid refill cartridge associated with a printing fluid dispenser comprising:
a body storing printing fluid having an outlet through which the printing fluid is dispensed; and a selector arranged to select the amount of the printing fluid to be dispensed from the body.

862. The cradle unit according to claim 831, the cradle unit being arranged for use in a printing unit adapted for refilling by a fluid refill cartridge by way of a method comprising the steps of:
removably mounting a dispenser of printing fluid to the printing unit so as to align an outlet of the dispenser with an inlet of a printing fluid storage chamber of the printing unit;
determining an amount of printing fluid needed to substantially refill the printing fluid storage chamber; and selectively dispensing an amount of printing fluid from the dispenser corresponding to the determined amount.

863. The cradle unit according to claim 831, wherein the inkjet cartridge is adapted for refilling by a fluid refill cartridge associated with a dispensing assembly comprising:
a body for storing printing fluid having an outlet through which the printing fluid is dispensed; and a plunger arranged to selectively change the storage capacity of the body and expel the printing fluid through said outlet by selective engagement of a movable retaining member with a series of grooves arranged along a surface of the plunger, thereby dispensing a selected amount of printing fluid from the outlet.

864. The cradle unit according to claim 831, the cradle unit being arranged for use with a print engine adapted for refilling by a printing fluid refill unit, wherein the refilling is controlled by a system comprising:
an information storage element incorporated in the refill unit for storing information on the amount of printing fluid contained in the refill unit; and an information reader incorporated in the print engine for reading the information stored by the storage element when the refill unit is mounted to the print engine and for controlling the refilling of the print engine with the printing fluid contained in the refill unit based on the information read.

865. The cradle unit according to claim 831, the cradle unit being arranged for use with a print engine adapted for refilling by a printing fluid refill unit comprising an information storage element for storing information on the amount of printing fluid contained in the refill unit and for connecting with an information reader incorporated in the print engine for reading the information stored by the storage element when the refill unit is mounted to the print engine, wherein the information stored by the storage element enables the reader to control the refilling of the print engine with the printing fluid contained in the refill unit.

866. The cradle unit according to claim 831, the cradle unit being arranged for use in a printing unit adapted for refilling by a printing fluid refill cartridge, the refilling being controlled by a method comprising the steps of :
storing information on an amount of printing fluid contained in the refill cartridge in an information storage element incorporated therein;
mounting the refill cartridge to the printing unit;
reading the information on the amount of printing fluid with an information reader incorporated in the printing unit; and controlling the refilling of the printing unit with printing fluid contained in the refill cartridge based on the information read.

867. The cradle unit according to claim 831, wherein the cartridge is associated with a printing fluid storage device comprising a porous body having a plurality of individual channels arranged in an array to store printing fluid and supply the stored printing fluid to at least one printing fluid ejecting nozzle of a printhead of a printer unit, wherein a first end of each of the channels is in fluid communication with a printing fluid supply to extract printing fluid from the fluid supply for storage therein under capillary action and the stored printing fluid is supplied to the at least one nozzle under capillary action.

868. A cover assembly for a cradle unit of an inkjet printer having a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply and a controller for controlling the operation of the printhead to facilitate printing; the cover assembly comprising:
at least one port formed therein through which a refill unit is received for refilling the ink supply of the cartridge.

869. A cover assembly according to claim 868, wherein the port is shaped to receive at least a portion of the refill unit.

870. A cover assembly according to claim 869, wherein the port includes a retaining means for engaging with the refill unit to secure the refill unit in position for refilling the ink supply of the cartridge.

871. A cover assembly according to claim 870, wherein the retaining means includes a clip member which engages with a recess provided in the refill unit to secure the refill unit in position.

872. A cover assembly according to claim 870, wherein the port includes a receiver unit arranged therein for engaging with an integrated circuit provided on the refill unit when the refill unit is received by said port.

873. A cover assembly according to claim 872, wherein the integrated circuit is a quality assurance chip which stores information relating to the type and/or amount of printing fluid contained in said refill unit.

874. A cover assembly according to claim 873, wherein the reader unit transmits said information to the controller to control the refilling process.

875. A cover assembly according to claim 874, further comprising an actuator member arranged therein which operates said refill unit to facilitate refilling of the ink supply of the cartridge.

876. A cover assembly according to claim 875, wherein the actuator member is a push rod which extends into said port to engage with the refill unit to release ink from the refill unit into said ink supply of the cartridge.

877. A cover assembly according to claim 876, wherein said push rod is activated by a solenoid actuator which is mounted to the body of the cradle unit.

878. A cover assembly according to claim 875, wherein the actuator member is a gear mechanism which meshes with a corresponding gear mechanism provided on the refill unit to facilitate release of ink from the refill unit into said ink supply of the cartridge.

879. A cradle unit according to claim 878, wherein the gear mechanism is activated by a motor which is mounted to the body of the cradle unit.

880. The cover assembly according to claim 868, wherein the inkjet printer comprises:
a media input tray for supplying print media for printing;
a print engine for printing an image on said print media; and a media output tray for collecting the printed media;
wherein the print engine comprises the removable inkjet cartridge of a type having a pagewidth printhead and an ink supply and the cradle unit having a body adapted to receive the removable inkjet cartridge and to control the operation of the printhead for printing.

881. The cover assembly according to claim 868, wherein the cradle unit is arranged for use with a print engine comprising:
the removable inkjet cartridge; and the cradle unit having a body adapted to receive the removable inkjet cartridge and to control the operation of the printhead for printing;
wherein the cradle is configured to be secured to the inkjet printer to receive print media from a media input tray and to deliver printed media to a media output tray.

882. The cover assembly according to claim 868, wherein the cartridge unit comprises:
a body portion having one or more ink storage compartments; and a pagewidth printhead assembly mountable to said body and configured to receive ink from the one or more compartments and to distribute the ink along the length of the printhead assembly.

883. The cover assembly according to claim 868, wherein the cartridge unit comprises:
a body portion having one or more ink storage compartments;
a pagewidth printhead assembly mountable to said body portion and configured to receive ink from the one or more compartments for printing; and a capper unit mountable to said body portion so as to extend along the length of the printhead assembly, the capper unit housing a capping element which is movable with respect to the capper unit to contact a surface of the printhead assembly.

884. The cover assembly according to claim 868, wherein the cartridge unit comprises:
a body portion housing one or more ink storage compartments;

a pagewidth printhead assembly configured to receive ink from the one or more ink storage compartments and having a plurality of nozzles arranged in use to deliver the ink onto passing print media;
and an electrical connector in electrical communication with the nozzles of the printhead assembly and disposed along the length of the printhead assembly for mating with a corresponding connectors of the inkjet printer to control operation of the nozzles.

885. The cover assembly according to claim 868, wherein the cartridge unit comprises:
a body portion having a plurality of ink storage compartments; and a pagewidth printhead assembly configured to receive ink from ink storage compartments and distribute said ink to a plurality of nozzles arranged in use to deliver the ink onto passing print media;
wherein the ink storage compartments comprise an absorption material which stores the ink therein under capillary action for supply to the nozzles of the printhead assembly.

886. The cover assembly according to claim 868, wherein the pagewidth printhead is a pagewidth printhead assembly comprising:
a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
a plurality of integrated circuits extending the length of the printhead assembly, each integrated circuit having a plurality of nozzles formed in rows thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which the integrated circuits are fixed and which distributes the ink from the body portion to the nozzles of the integrated circuits;
wherein the integrated circuits are aligned in an abutting arrangement across the lengkh of the ink distribution member.

887. The cover assembly according to claim 868, wherein the pagewidth printhead is a pagewidth printhead assembly comprising a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles formed thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media;
an ink distribution member upon which the or each integrated circuit are fixed and which distributes the ink from the body portion to the nozzles of the or each integrated circuit;
wherein the body portion has one or more connectors formed thereon for securing the printhead assembly to the one or more ink sources to facilitate ink flow therebetween.

888. The cover assembly according to claim 868, wherein the pagewidth printhead is a pagewidth printhead assembly comprising :
a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles formed thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media;
an ink distribution member upon which the or each integrated circuit is fixed and which distributes the ink from the body portion to the nozzles of the or each integrated circuit;
wherein an electrical connector in electrical communication with the or each integrated circuit extends along the length of the printhead assembly for mating with a corresponding electrical connector of the inkjet printer.

889. The cover assembly according to claim 868, wherein the pagewidth printhead is a pagewidth printhead assembly comprising :
a body portion for receiving ink from one or more ink sources and having one or more channels formed therein for distributing the ink substantially along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which the or each integrated circuit is fixed and which distributes the ink from the body portion to each of the integrated circuits;
wherein the ink distribution member is a unitary element having a plurality of conduits formed therethrough, each of the conduits having an inlet which receives ink from one of the channels of the body portion and an outlet which delivers the ink to a predetermined number of nozzles of the one or more integrated circuits.

890. The cover assembly according to claim 868, wherein the pagewidth printhead is a pagewidth printhead assembly comprising :
a body portipn for receiving ink from one or more ink sources and having one or more channels formed therein for distributing the ink substantially along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, each integrated circuit having a plurality of nozzles, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which each integrated circuit is fixed and which distributes the ink from the body portion to each of the integrated circuits;
wherein the ink distribution member comprises a first layer which directs the ink from the one or more channels of the body portion for delivery to each integrated circuit, and a second layer attached to said first layer for receiving and securing each integrated circuit in a position to receive the ink from the first layer.

891. The cover assembly according to claim 868, wherein the pagewidth printhead is arranged for capping by a capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body and movable with respect to the body to cap at least a portion of said printhead ;
wherein, the body includes a mounting element for removably mounting said capping assembly to said printhead.

892. The cover assembly according to claim 868, wherein the pagewidth printhead is arranged for capping by a capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body, said capping element having a rim portion adapted to cap at least a portion of said printhead ;
wherein, the capping element is movable with respect to said body between a first and a second position, said first position being where said rim portion extends from said body, and said second position being where said rim portion is contained within said body.

893. The cover assembly according to claim 868, wherein the pagewidth printhead is arranged for capping by a capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body and movable with respect to said body between a first and a second position, said first position being where a portion of the capping element extends from said body, and said second position being where said capping element is contained within said body;
wherein, the capping element is biased into said first position.

894. The cover assembly according to claim 868, wherein the pagewidth printhead is arranged for capping by a capping assembly comprising:
a body configured to extend the length of the printhead;
a capping element housed within said body and having a rim portion adapted to cap at least a portion of the printhead;
a displacement assembly housed within the body for moving the capping element between a first position where the rim portion of the capping element extends from said body, and a second position where the rim portion of the capping element is contained within the body;
wherein, the displacement assembly is controlled by an electromagnet which determines the position.

895. The cover assembly according to claim 868, wherein, a plurality of terminals are located along the length of the body to contact corresponding terminals located along the length of the removable inkjet cartridge to enable electrical communication between the controller and the cartridge.

896. The cover assembly according to claim 868, wherein the cradle unit further comprises a plurality of terminals in electrical communication with said controller for transmitting control signals from said controller to corresponding terminals provided on said cartridge; and wherein said plurality of terminals are arranged to pivotally engage with said corresponding terminals provided on said cartridge when said cartridge is received by said body.

897. The cover assembly according to claim 868, wherein, said body includes a cover assembly for enclosing the removable inkjet cartridge within the body, said cover assembly having at least one port formed therein through which a refill unit is received for refilling the ink supply of the cartridge.

898. The cover assembly according to claim 868, wherein, said body is configured to receive a refill unit for supplying refill ink to the cartridge and includes a refill actuator for dispensing ink from said refill unit into said refillable ink supply.

899. The cover assembly according to claim 868, wherein the cradle unit further comprises a capper assembly; and wherein, said body includes an electromagnet assembly mounted thereto which is controlled by said controller for operating said capper assembly of the removable inkjet cartridge.

900. The cover assembly according to claim 868, the the cover assembly further comprising a refill actuator for dispensing ink from an ink refill unit into said refillable ink supply.

901. The cover assembly according to claim 868, wherein the cartridge is arranged for priming by an ink priming system comprising:
a priming inlet provided on said printhead assembly for receiving a supply of ink for priming the cartridge unit; and an ink flow passage providing fluid connection between said printhead assembly and one of the ink storage compartments;
wherein the ink supplied to the priming inlet of the printhead assembly flows from the printhead assembly to the ink storage compartment via the ink flow passage to prime both the printhead assembly and the ink storage compartment with ink simultaneously.

902. The cover assembly according to claim 868, wherein the cartridge is arranged for priming by an ink priming system comprising:
a priming inlet provided on said printhead assembly for receiving a supply of role for priming the cartridge unit;
an ink flow passage providing fluid connection between said printhead assembly and one of the ink storage compartments; and a bypass flow passage providing additional fluid connection between the ink flow passage and the ink storage compartment;

wherein the ink supplied to the priming inlet of the printhead assembly flows from the printhead assembly to the ink storage compartment via the ink flow passage and the bypass flow passage to prime both the printhead assembly and the ink storage compartment with ink simultaneously.

903. The cover assembly according to claim 868, wherein the inkjet cartridge is arranged for refilling by a printing fluid refill cartridge having a printing fluid dispenser comprising:
a body storing printing fluid having an outlet through which the printing fluid is dispensed; and a selector arranged to select the amount of the printing fluid to be dispensed from the body.

904. The cover assembly according to claim 868, wherein the cartridge is arranged for use in a printing unit that is adapted for refilling with supply of printing fluid using a method comprising the steps of:
removably mounting a dispenser of printing fluid to the printing unit so as to align an outlet of the dispenser with an inlet of a printing fluid storage chamber of the printing unit;
determining an amount of printing fluid needed to substantially refill the printing fluid storage chamber; and selectively dispensing an amount of printing fluid from the dispenser corresponding to the determined amount.

905. The cover assembly according to claim 868, wherein the inkjet cartridge is arranged for refilling by a printing fluid refill cartridge having a dispensing assembly comprising:
a body for storing printing fluid having an outlet through which the printing fluid is dispensed; and a plunger arranged to selectively change the storage capacity of the body and expel the printing fluid through said outlet by selective engagement of a movable retaining member with a series of grooves arranged along a surface of the plunger, thereby dispensing a selected amount of printing fluid from the outlet.

906. The cover assembly according to claim 868, wherein the inkjet cartridge is a part of a print engine arranged for refilling by a printing fluid refill unit, wherein the refilling is controlled by a system comprising:
an information storage element incorporated in the refill unit for storing information on the amount of printing fluid contained in the refill unit; and an information reader incorporated in the print engine for reading the information stored by the storage element when the refill unit is mounted to the print engine and for controlling the refilling of the print engine with the printing fluid contained in the refill unit based on the information read.

907. The cover assembly according to claim 868, wherein the inkjet cartridge is a part of a print engine arranged for refilling by a printing fluid refill unit comprising an information storage element for storing information on the amount of printing fluid contained in the refill unit and for connecting with an information reader incorporated in the print engine for reading the information stored by the storage element when the refill unit is mounted to the print engine, wherein the information stored by the storage element enables the reader to control the refilling of the print engine with the printing fluid contained in the refill unit.

908. The cover assembly according to claim 868, wherein the inkjet cartridge is a part of a printing unit arranged for refilling by a printing fluid refill cartridge, wherein the refilling is controlled by a method comprising the steps of :
storing information on an amount of printing fluid contained in the refill cartridge in an information storage element incorporated therein;
mounting the refill cartridge to the printing unit;
reading the information on the amount of printing fluid with an information reader incorporated in the printing unit; and controlling the refilling of the printing unit with printing fluid contained in the refill cartridge based on the information read.

909. The cover assembly according to claim 868, wherein the inkjet cartridge is associated with. a printing fluid storage device comprising a porous body having a plurality of individual channels arranged in an array to store printing fluid and supply the stored printing fluid to at least one printing fluid ejecting nozzle of a printhead of a printer unit, wherein a first end of each of the channels is in fluid communication with a printing fluid supply to extract printing fluid from the fluid supply for storage therein under capillary action and the stored printing fluid is supplied to the at least one nozzle under capillary action.

910. A cover assembly for a cradle unit of an inkjet printer having a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply and a controller for controlling the operation of the printhead to facilitate printing; the cover assembly comprising:
a refill actuator for dispensing ink from an ink refill unit into said refillable ink supply.

911. A cover assembly according to claim 910, wherein the cover assembly has a port formed therein through which said refill unit is received for supplying refill ink to the removable inkjet cartridge.

912. A cover assembly according to claim 911, wherein the port includes a retaining means for engaging with the refill unit to secure the refill unit in position for refilling the ink supply of the cartridge.

913. A cover assembly according to claim 912, wherein the retaining means includes a clip member which engages with a recess provided in refill unit to secure the refill unit in position.

914. A cover assembly according to claim 913, wherein the port includes a receiver unit arranged therein for engaging with an integrated circuit provided on the refill unit when the refill unit is received by said port.

915. A cover assembly according to claim 914, wherein the integrated circuit is a quality assurance chip which stores information relating to the type and/or amount of printing fluid contained in said refill unit.

916. A cover assembly according to claim 915, wherein the reader unit transmits said information to the controller to control the refilling process.

917. A cover assembly according to claim 914, wherein the refill actuator is provided within the cover assembly and includes an actuator member which operates said refill unit to facilitate refilling of the ink supply of the cartridge.

918. A cover assembly according to claim 917, wherein the actuator member is a push rod which extends into said port to engage with the refill unit to release ink from the refill unit into said ink supply of the cartridge.

919. A cover assembly according to claim 918, wherein said push rod is activated by a solenoid actuator which is mounted to the body of the cradle unit.

920. A cover assembly according to claim 917, wherein the actuator member is a gear mechanism which meshes with a corresponding gear mechanism provided on the refill unit to facilitate release of ink from the refill unit into said ink supply of the cartridge.

921. A cover assembly according to claim 920, wherein the gear mechanism is activated by a motor which is mounted to the body of the cradle unit.

922. The cover assembly according to claim 910, wherein the inkjet printer comprises:
a media input tray for supplying print media for printing;
a print engine for printing an image on said print media; and a media output tray for collecting the printed media;
wherein the print engine comprises the removable inkjet cartridge of a type having a pagewidth printhead and an ink supply and the cradle unit having a body adapted to receive the removable inkjet cartridge and to control the operation of the printhead for printing.

923. The cover assembly according to claim 910, wherein the cradle unit is arranged for use with a print engine comprising:
the removable inkjet cartridge; and the cradle unit having a body adapted to receive the removable inkjet cartridge and to control the operation of the printhead for printing;
wherein the cradle is configured to be secured to the inkjet printer to receive print media from a media input tray and to deliver printed media to a media output tray.

924. The cover assembly according to claim 910, wherein the cartridge unit comprises:
a body portion having one or more ink storage compartments; and a pagewidth printhead assembly mountable to said body and configured to receive ink from the one or more compartments and to distribute the ink along the length of the printhead assembly.

925. The cover assembly according to claim 910, wherein the cartridge unit comprises:
a body portion having one or more ink storage compartments;
a pagewidth printhead assembly mountable to said body portion and configured to receive ink from the one or more compartments for printing; and a capper unit mountable to said body portion so as to extend along the length of the printhead assembly, the capper unit housing a capping element which is movable with respect to the capper unit to contact a surface of the printhead assembly.

926. The cover assembly according to claim 910, wherein the cartridge unit comprises:
a body portion housing one or more ink storage compartments;
a pagewidth printhead assembly configured to receive ink from the one or more ink storage compartments and having a plurality of nozzles arranged in use to deliver the ink onto passing print media;
and an electrical connector in electrical communication with the nozzles of the printhead assembly and disposed along the length of the printhead assembly for mating with a corresponding connectors of the inkjet printer to control operation of the nozzles.

927. The cover assembly according to claim 910, wherein the cartridge unit comprises:
a body portion having a plurality of ink storage compartments; and a pagewidth printhead assembly configured to receive ink from ink storage compartments and distribute said ink to a plurality of nozzles arranged in use to deliver the ink onto passing print media;
wherein the ink storage compartments comprise an absorption material which stores the ink therein under capillary action for supply to the nozzles of the printhead assembly.

928. The cover assembly according to claim 910, wherein the pagewidth printhead is a pagewidth printhead assembly comprising:
a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
a plurality of integrated circuits extending the length of the printhead assembly, each integrated circuit having a plurality of nozzles formed in rows thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which the integrated circuits are fixed and which distributes the ink from the body portion to the nozzles of the integrated circuits;
wherein the integrated circuits are aligned in an abutting arrangement across the length of the ink distribution member.

929. The cover assembly according to claim 910, wherein the pagewidth printhead is a pagewidth printhead assembly comprising a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles formed thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media;
an ink distribution member upon which the or each integrated circuit are fixed and which distributes the ink from the body portion to the nozzles of the or each integrated circuit;
wherein the body portion has one or more connectors formed thereon for securing the printhead assembly to the one or more ink sources to facilitate ink flow therebetween.

930. The cover assembly according to claim 910, wherein the pagewidth printhead is a pagewidth printhead assembly comprising :
a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles formed thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media;
an ink distribution member upon which the or each integrated circuit is fixed and which distributes the ink from the body portion to the nozzles of the or each integrated circuit;
wherein an electrical connector in electrical communication with the or each integrated circuit extends along the length of the printhead assembly for mating with a corresponding electrical connector of the inkjet printer.

931. The cover assembly according to claim 910, wherein the pagewidth printhead is a pagewidth printhead assembly comprising :
a body portion for receiving ink from one or more ink sources and having one or more channels formed therein for distributing the ink substantially along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which the or each integrated circuit is fixed and which distributes the ink from the body portion to each of the integrated circuits;
wherein the ink distribution member is a unitary element having a plurality of conduits formed therethrough, each of the conduits having an inlet which receives ink from one of the channels of the body portion and an outlet which delivers the ink to a predetermined number of nozzles of the one or more integrated circuits.

932. The cover assembly according to claim 910, wherein the pagewidth printhead is a pagewidth printhead assembly comprising :
a body portion for receiving ink from one or more ink sources and having one or more channels formed therein for distributing the ink substantially along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, each integrated circuit having a plurality of nozzles, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which each integrated circuit is fixed and which distributes the ink from the body portion to each of the integrated circuits;
wherein the ink distribution member comprises a first layer which directs the ink from the one or more channels of the body portion for delivery to each integrated circuit, and a second layer attached to said first layer for receiving and securing each integrated circuit in a position to receive the ink from the first layer.

933. The cover assembly according to claim 910, wherein the pagewidth printhead is arranged for capping by a capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body and movable with respect to the body to cap at least a portion of said printhead ;
wherein, the body includes a mounting element for removably mounting said capping assembly to said printhead.

934. The cover assembly according to claim 910, wherein the pagewidth printhead is arranged for capping by a capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body, said capping element having a rim portion adapted to cap at least a portion of said printhead ;
wherein, the capping element is movable with respect to said body between a first and a second position, said first position being where said rim portion extends from said body, and said second position being where said rim portion is contained within said body.

935. The cover assembly according to claim 910, wherein the pagewidth printhead is arranged for capping by a capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body and movable with respect to said body between a first and a second position, said first position being where a portion of the capping element extends from said body, and said second position being where said capping element is contained within said body;
wherein, the capping element is biased into said first position.

936. The cover assembly according to claim 910, wherein the pagewidth printhead is arranged for capping by a capping assembly comprising:
a body configured to extend the length of the printhead;
a capping element housed within said body and having a rim portion adapted to cap at least a portion of the printhead;
a displacement assembly housed within the body for moving the capping element between a first position where the rim portion of the capping element extends from said body, and a second position where the rim portion of the capping element is contained within the body;
wherein, the displacement assembly is controlled by an electromagnet which determines the position.

937. The cover assembly according to claim 910, wherein, a plurality of terminals are located along the length of the body to contact corresponding terminals located along the length of the removable inkjet cartridge to enable electrical communication between the controller and the cartridge.

938. The cover assembly according to claim 910, wherein the cradle unit further comprises a plurality of terminals in electrical communication with said controller for transmitting control signals from said controller to corresponding terminals provided on said cartridge; and wherein said plurality of terminals are arranged to pivotally engage with said corresponding terminals provided on said cartridge when said cartridge is received by said body.

939. The cover assembly according to claim 910, wherein, said body includes a cover assembly for enclosing the removable inkjet cartridge within the body, said cover assembly having at least one port formed therein through which a refill unit is received for refilling the ink supply of the cartridge.

940. The cover assembly according to claim 910, wherein, said body is configured to receive a refill unit for supplying refill ink to the cartridge and includes a refill actuator for dispensing ink from said refill unit into said refillable ink supply.

941. The cover assembly according to claim 910, wherein the cradle unit further comprises a capper assembly; and wherein, said body includes an electromagnet assembly mounted thereto which is controlled by said controller for operating said capper assembly of the removable inkjet cartridge.

942. The cover assembly according to claim 910, wherein the cover assembly further comprises:
at least one port formed therein through which a refill unit is received for refilling the ink supply of the cartridge.

943. The cover assembly according to claim 910, wherein the cartridge is arranged for priming by an ink priming system comprising:

a priming inlet provided on said printhead assembly for receiving a supply of ink for priming the cartridge unit; and an ink flow passage providing fluid connection between said printhead assembly and one of the ink storage compartments;
wherein the ink supplied to the priming inlet of the printhead assembly flows from the printhead assembly to the ink storage compartment via the ink flow passage to prime both the printhead assembly and the ink storage compartment with ink simultaneously.

944. The cover assembly according to claim 910, wherein the cartridge is arranged for priming by an ink priming system comprising:
a priming inlet provided on said printhead assembly for receiving a supply of ink for priming the cartridge unit;
an ink flow passage providing fluid connection between said printhead assembly and one of the ink storage compartments; and a bypass flow passage providing additional fluid connection between the ink flow passage and the ink storage compartment;
wherein the ink supplied to the priming inlet of the printhead assembly flows from the printhead assembly to the ink storage compartment via the ink flow passage and the bypass flow passage to prime both the printhead assembly and the ink storage compartment with ink simultaneously.

945. The cover assembly according to claim 910, wherein the inkjet cartridge is arranged for refilling by a printing fluid refill cartridge having a printing fluid dispenser comprising:
a body storing printing fluid having an outlet through which the printing fluid is dispensed; and a selector arranged to select the amount of the printing fluid to be dispensed from the body.

946. The cover assembly according to claim 910, wherein the cartridge is arranged for use in a printing unit that is adapted for refilling with supply of printing fluid using a method comprising the steps of:
removably mounting a dispenser of printing fluid to the printing unit so as to align an outlet of the dispenser with an inlet of a printing fluid storage chamber of the printing unit;
determining an amount of printing fluid needed to substantially refill the printing fluid storage chamber; and selectively dispensing an amount of printing fluid from the dispenser corresponding to the determined amount.

947. The cover assembly according to claim 910, wherein the inkjet cartridge is arranged for refilling by a printing fluid refill cartridge having a dispensing assembly comprising:
a body for storing printing fluid having an outlet through which the printing fluid is dispensed; and a plunger arranged to selectively change the storage capacity of the body and expel the printing fluid through said outlet by selective engagement of a movable retaining member with a series of grooves arranged along a surface of the plunger, thereby dispensing a selected amount of printing fluid from the outlet.

948. The cover assembly according to claim 910, wherein the inkjet cartridge is a part of a print engine arranged for refilling by a printing fluid refill unit, wherein the refilling is controlled by a system comprising:
an information storage element incorporated in the refill unit for storing information on the amount of printing fluid contained in the refill unit; and an information reader incorporated in the print engine for reading the information stored by the storage element when the refill unit is mounted to the print engine and for controlling the refilling of the print engine with the printing fluid contained in the refill unit based on the information read.

949. The cover assembly according to claim 910, wherein the inkjet cartridge is a part of a print engine arranged for refilling by a printing fluid refill unit comprising an information storage element for storing information on the amount of printing fluid contained in the refill unit and for connecting with an information reader incorporated in the print engine for reading the information stored by the storage element when the refill unit is mounted to the print engine, wherein the information stored by the storage element enables the reader to control the refilling of the print engine with the printing fluid contained in the refill unit.

950. The cover assembly according to claim 910, wherein the inkjet cartridge is a part of a printing unit arranged for refilling by a printing fluid refill cartridge, wherein the refilling is controlled by a method comprising the steps of :
storing information on an amount of printing fluid contained in the refill cartridge in an information storage element incorporated therein;
mounting the refill cartridge to the printing unit;
reading the information on the amount of printing fluid with an information reader incorporated in the printing unit; and controlling the refilling of the printing unit with printing fluid contained in the refill cartridge based on the information read.

951. The cover assembly according to claim 910, wherein the inkjet cartridge is associated with a printing fluid storage device comprising a porous body having a plurality of individual channels arranged in an array to store printing fluid and supply the stored printing fluid to at least one printing fluid ejecting nozzle of a printhead of a printer unit, wherein a first end of each of the channels is in fluid communication with a printing fluid supply to extract printing fluid from the fluid supply for storage therein under capillary action and the stored printing fluid is supplied to the at least one nozzle under capillary action.

952. An ink priming system for a cartridge unit of the type having a pagewidth printhead assembly in fluid communication with one or more ink storage compartments, the system comprising:
a priming inlet provided on said printhead assembly for receiving a supply of ink for priming the cartridge unit; and an ink flow passage providing fluid connection between said printhead assembly and one of the ink storage compartments;
wherein the ink supplied to the priming inlet of the printhead assembly flows from the printhead assembly to the ink storage compartment via the ink flow passage to prime both the printhead assembly and the ink storage compartment with ink simultaneously.

953. An ink priming system according to claim 952, wherein the ink storage compartment comprises an ink retaining member arranged therein for receiving and storing said ink.

954. A system according to claim 953, wherein the ink retaining member is a porous body arranged to absorb the ink supplied to the ink storage compartment through capillary action.

955. A system according to claim 954, wherein the ink retaining member is a foam material.

956. A system according to claim 952, wherein the printhead assembly comprises one or more ink delivery channels arranged along its length and ink supplied to said priming inlet passes into one of the channels.

957. A system according to claim 956, wherein the printhead assembly has a plurality of groups of nozzles provided thereon, each group of nozzles being in fluid communication with one of the ink delivery channels to receive ink therefrom for priming said nozzles.

958. The ink priming system according to claim 952, wherein the cartridge unit is arranged for use in an inkjet printer comprising:
a media input tray for supplying print media for printing;
a print engine for printing an image on said print media; and a media output tray for collecting the printed media;
wherein the print engine comprises a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply and a cradle having a body adapted to receive the removable inkjet cartridge and to control the operation of the printhead for printing.

959. The ink priming system according to claim 952, wherein the cartridge unit is arranged for use in an print engine comprising:
a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply; and a cradle having a body adapted to receive the removable inkjet cartridge and to control the operation of the printhead for printing;

wherein the cradle is configured to be secured to the inkjet printer to receive print media from a media input tray and to deliver printed media to a media output tray.

960. The ink priming system according to claim 952, wherein the cartridge unit comprises:
a body portion having one or more ink storage compartments; and a pagewidth printhead assembly mountable to said body and configured to receive ink from the one or more compartments and to distribute the ink along the length of the printhead assembly.

961. The ink priming system according to claim 952, wherein the cartridge unit comprises:
a body portion having one or more ink storage compartments;
a pagewidth printhead assembly mountable to said body portion and configured to receive ink from the one or more compartments for printing; and a capper unit mountable to said body portion so as to extend along the length of the printhead assembly, the capper unit housing a capping element which is movable with respect to the capper unit to contact a surface of the printhead assembly.

962. The ink priming system according to claim 952, wherein the cartridge unit comprises:
a body portion housing one or more ink storage compartments;
a pagewidth printhead assembly configured to receive ink from the one or more ink storage compartments and having a plurality of nozzles arranged in use to deliver the ink onto passing print media;
and an electrical connector in electrical communication with the nozzles of the printhead assembly and disposed along the length of the printhead assembly for mating with a corresponding connectors of the inkjet printer to control operation of the nozzles.

963. The ink priming system according to claim 952, wherein the cartridge unit comprises:
a body portion having a plurality of ink storage compartments; and a pagewidth printhead assembly configured to receive ink from ink storage compartments and distribute said ink to a plurality of nozzles arranged in use to deliver the ink onto passing print media;
wherein the ink storage compartments comprise an absorption material which stores the ink therein under capillary action for supply to the nozzles of the printhead assembly.

964. The ink priming system according to claim 952, wherein the pagewidth printhead assembly comprises:
a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
a plurality of integrated circuits extending the length of the printhead assembly, each integrated circuit having a plurality of nozzles formed in rows thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which the integrated circuits are fixed and which distributes the ink from the body portion to the nozzles of the integrated circuits;
wherein the integrated circuits are aligned in an abutting arrangement across the length of the ink distribution member.

965. The ink priming system according to claim 952, wherein the pagewidth printhead assembly comprises:
a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles formed thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media;
an ink distribution member upon which the or each integrated circuit are fixed and which distributes the ink from the body portion to the nozzles of the or each integrated circuit;
wherein the body portion has one or more connectors formed thereon for securing the printhead assembly to the one or more ink sources to facilitate ink flow therebetween.

966. The ink priming system according to claim 952, wherein the pagewidth printhead assembly comprises:
a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles formed thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media;
an ink distribution member upon which the or each integrated circuit is fixed and which distributes the ink from the body portion to the nozzles of the or each integrated circuit;
wherein an electrical connector in electrical communication with the or each integrated circuit extends along the length of the printhead assembly for mating with a corresponding electrical connector of the inkjet printer.

967. The ink priming system according to claim 952, wherein the pagewidth printhead assembly comprises:
a body portion for receiving ink from one or more ink sources and having one or more channels formed therein for distributing the ink substantially along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which the or each integrated circuit is fixed and which distributes the ink from the body portion to each of the integrated circuits;

wherein the ink distribution member is a unitary element having a plurality of conduits formed therethrough, each of the conduits having an inlet which receives ink from one of the channels of the body portion and an outlet which delivers the ink to a predetermined number of nozzles of the one or more integrated circuits.

968. The ink priming system according to claim 952, wherein the pagewidth printhead assembly comprises:
a body portion for receiving ink from one or more ink sources and having one or more channels formed therein for distributing the ink substantially along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, each integrated circuit having a plurality of nozzles, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which each integrated circuit is fixed and which distributes the ink from the body portion to each of the integrated circuits;
wherein the ink distribution member comprises a first layer which directs the ink from the one or more channels of the body portion for delivery to each integrated circuit, and a second layer attached to said first layer for receiving and securing each integrated circuit in a position to receive the ink from the first layer.

969. The ink priming system according to claim 952, wherein a pagewidth printhead in the pagewidth printhead assembly is arranged for capping by a capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body and movable with respect to the body to cap at least a portion of said printhead ;
wherein, the body includes a mounting element for removably mounting said capping assembly to said printhead.

970. The ink priming system according to claim 952, wherein a pagewidth printhead in the pagewidth printhead assembly is arranged for capping by a capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body, said capping element having a rim portion adapted to cap at least a portion of said printhead ;
wherein, the capping element is movable with respect to said body between a first and a second position, said first position being where said rim portion extends from said body, and said second position being where said rim portion is contained within said body.

971. The ink priming system according to claim 952, wherein a pagewidth printhead in the pagewidth printhead assembly is arranged for capping by a capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body and movable with respect to said body between a first and a second position, said first position being where a portion of the capping element extends from said body, and said second position being where said capping element is contained within said body;
wherein, the capping element is biased into said first position.

972. The ink priming system according to claim 952, wherein a pagewidth printhead in the pagewidth printhead assembly is arranged for capping by a capping assembly comprising:
a body configured to extend the length of the printhead;
a capping element housed within said body and having a rim portion adapted to cap at least a portion of the printhead;
a displacement assembly housed within the body for moving the capping element between a first position where the rim portion of the capping element extends from said body, and a second position where the rim portion of the capping element is contained within the body;
wherein, the displacement assembly is controlled by an electromagnet which determines the position.

973. The ink priming system according to claim 952, wherein the cartridge unit is removable and is arranged for use with a cradle unit comprising:
a body complementary to the inkjet cartridge unit; and a controller for controlling the operation of the printhead to facilitate printing;
wherein, a plurality of terminals are located along the length of the body to contact corresponding terminals located along the length of the removable inkjet cartridge to enable electrical communication between the controller and the cartridge.

974. The ink priming system according to claim 952, wherein the cartridge unit is removable and is arranged for use with a cradle unit comprising:
a body complementary to the inkjet cartridge unit;
a controller for controlling the operation of the printhead to facilitate printing; and a plurality of terminals in electrical communication with said controller for transmitting control signals from said controller to corresponding terminals provided on said cartridge;
wherein said plurality of terminals are arranged to pivotally engage with said corresponding terminals provided on said cartridge when said cartridge is received by said body.

975. The ink priming system according to claim 952, wherein the cartridge unit is removable and is arranged for use with a cradle unit comprising:
a body complementary to the inkjet cartridge; and a controller for controlling the operation of the printhead to facilitate printing;
wherein, said body includes a cover assembly for enclosing the removable inkjet cartridge within the body, said cover assembly having at least one port formed therein through which a refill unit is received for refilling the ink supply of the cartridge.

976. The ink priming system according to claim 952, wherein the cartridge unit is removable and is arranged for use with a cradle unit comprising:
a body complementary to the inkjet cartridge; and controller for controlling the operation of the printhead to facilitate printing;
wherein, said body is configured to receive a refill unit for supplying refill ink to the cartridge and includes a refill actuator for dispensing ink from said refill unit into said refillable ink supply.

977. The ink priming system according to claim 952, wherein the cartridge unit is removable, has a capper assembly and is arranged for use with a cradle unit comprising:
a body complementary to the inkjet cartridge; and a controller for controlling the operation of the printhead to facilitate printing;
wherein, said body includes an electromagnet assembly mounted thereto which is controlled by said controller for operating said capper assembly of the removable inkjet cartridge.

978. The ink priming system according to claim 952, wherein the cartridge unit is arranged for use with a cradle unit having a body complementary to the cartridge and a controller for controlling the operation of the printhead to facilitate printing, the cradle unit being adapted for covering by a cover assembly comprising:
at least one port formed therein through which a refill unit is received for refilling the ink supply of the cartridge.

979. The ink priming system according to claim 952, wherein the cartridge unit is a removable and is arranged for use with a cradle unit having a body complementary to the cartridge and a controller for controlling the operation of the printhead to facilitate printing, the cradle unit being adapted for covering by a cover assembly comprising:
a refill actuator for dispensing ink from an ink refill unit into said refillable ink supply.

980. The ink priming system according to claim 952, the system further comprising:
a bypass flow passage providing additional fluid connection between the ink flow passage and the ink storage compartment;
wherein the ink supplied to the priming inlet of the printhead assembly flows from the printhead assembly to the ink storage compartment via the ink flow passage and the bypass flow passage to prime both the printhead assembly and the ink storage compartment with ink simultaneously.

981. The ink priming system according to claim 952, wherein the cartridge unit is arranged for refilling by a printing fluid refill cartridge having a printing fluid dispenser comprising:
a body storing printing fluid having an outlet through which the printing fluid is dispensed; and a selector arranged to select the amount of the printing fluid to be dispensed from the body.

982. The ink priming system according to claim 952, wherein the cartridge unit is arranged for use in a printing unit that is adapted for refilling with supply of printing fluid using a method comprising the steps of:
removably mounting a dispenser of printing fluid to the printing unit so as to align an outlet of the dispenser with an inlet of a printing fluid storage chamber of the printing unit;
determining an amount of printing fluid needed to substantially refill the printing fluid storage chamber; and selectively dispensing an amount of printing fluid from the dispenser corresponding to the determined amount.

983. The ink priming system according to claim 952, wherein the cartridge unit is arranged for refilling by a printing fluid refill cartridge having a dispensing assembly comprising:
a body for storing printing fluid having an outlet through which the printing fluid is dispensed; and a plunger arranged to selectively change the storage capacity of the body and expel the printing fluid through said outlet by selective engagement of a movable retaining member with a series of grooves arranged along a surface of the plunger, thereby dispensing a selected amount of printing fluid from the outlet.

984. The ink priming system according to claim 952, wherein the cartridge unit is a part of a print engine arranged for refilling by a printing fluid refill unit, wherein the refilling is controlled by a system comprising:
an information storage element incorporated in the refill unit for storing information on the amount of printing fluid contained in the refill unit; and an information reader incorporated in the print engine for reading the information stored by the storage element when the refill unit is mounted to the print engine and for controlling the refilling of the print engine with the printing fluid contained in the refill unit based on the information read.

985. The ink priming system according to claim 952, wherein the cartridge unit is a part of a print engine arranged for refilling by a printing fluid refill unit comprising an information storage element for storing information on the amount of printing fluid contained in the refill unit and for connecting with an information reader incorporated in the print engine for reading the information stored by the storage element when the refill unit is mounted to the print engine, wherein the information stored by the storage element enables the reader to control the refilling of the print engine with the printing fluid contained in the refill unit.

986. The ink priming system according to claim 952, wherein the cartridge unit is a part of a printing unit arranged for refilling by a printing fluid refill cartridge, wherein the refilling is controlled by a method comprising the steps of :
storing information on an amount of printing fluid contained in the refill cartridge in an information storage element incorporated therein;
mounting the refill cartridge to the printing unit;

reading the information on the amount of printing fluid with an information reader incorporated in the printing unit; and controlling the refilling of the printing unit with printing fluid contained in the refill cartridge based on the information read.

987. The ink priming system according to claim 952, wherein the cartridge unit is associated with a printing fluid storage device comprising a porous body having a plurality of individual channels arranged in an array to store printing fluid and supply the stored printing fluid to at least one printing fluid ejecting nozzle of a printhead of a printer unit, wherein a first end of each of the channels is in fluid communication with a printing fluid supply to extract printing fluid from the fluid supply for storage therein under capillary action and the stored printing fluid is supplied to the at least one nozzle under capillary action.

988. An ink priming system for a cartridge unit of the type having a pagewidth printhead assembly in fluid communication with one or more ink storage compartments, the system comprising:
a priming inlet provided on said printhead assembly for receiving a supply of ink for priming the cartridge unit;
an ink flow passage providing fluid connection between said printhead assembly and one of the ink storage compartments; and a bypass flow passage providing additional fluid connection between the ink flow passage and the ink storage compartment;
wherein the ink supplied to the priming inlet of the printhead assembly flows from the printhead assembly to the ink storage compartment via the ink flow passage and the bypass flow passage to prime both the printhead assembly and the ink storage compartment with ink simultaneously.

989. A system according to claim 988, wherein the ink storage compartment comprises an ink retaining member arranged therein for receiving and storing said ink.

990. A system according to claim 989, wherein the ink retaining member is a porous body arranged to absorb the ink supplied to the ink storage compartment through capillary action.

991. A system according to claim 990, wherein the ink retaining member is a foam material.

992. A system according to claim 989, wherein the ink flow passage and the bypass flow passage deliver the ink to different regions of the ink retainer member to facilitate faster priming of the ink retainer member.

993. A system according to claim 987, wherein the printhead assembly comprises one or more ink delivery channels arranged along its length and ink supplied to said priming inlet passes into one of the channels.

994. A system according to claim 992, wherein the printhead assembly has a plurality of groups of nozzles provided thereon, each group of nozzles being in fluid communication with one of the ink delivery channels to receive ink therefrom for priming said nozzles.

995. A system according to claim 988, wherein the bypass flow passage incorporates a bypass valve which is activated to open or close the bypass flow passage.

996. A system according to claim 995, wherein following priming of the ink storage compartment the bypass valve is closed thereby preventing further ink flow through the bypass flow passage.

997. A system according to claim 996, wherein the bypass valve is provided in the wall of the bypass flow passage in the form of a depressible region of the wall, and the bypass valve is closed by depressing the depressible region so as to block the bypass flow passage.

998. The ink priming system according to claim 988, wherein the cartridge unit is arranged for use in an inkjet printer comprising:
a media input tray for supplying print media for printing;
a print engine for printing an image on said print media; and a media output tray for collecting the printed media;
wherein the print engine comprises a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply and a cradle having a body adapted to receive the removable inkjet cartridge and to control the operation of the printhead for printing.

999. The ink priming system according to claim 988, wherein the cartridge unit is arranged for use in an print engine comprising:
a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply; and a cradle having a body adapted to receive the removable inkjet cartridge and to control the operation of the printhead for printing;
wherein the cradle is configured to be secured to the inkjet printer to receive print media from a media input tray and to deliver printed media to a media output tray.

1000. The ink priming system according to claim 988, wherein the cartridge unit comprises:
a body portion having one or more ink storage compartments; and a pagewidth printhead assembly mountable to said body and configured to receive ink from the one or more compartments and to distribute the ink along the length of the printhead assembly.

1001. The ink priming system according to claim 988, wherein the cartridge unit comprises:
a body portion having one or more ink storage compartments;

a pagewidth printhead assembly mountable to said body portion and configured to receive ink from the one or more compartments for printing; and a capper unit mountable to said body portion so as to extend along the length of the printhead assembly, the capper unit housing a capping element which is movable with respect to the capper unit to contact a surface of the printhead assembly.

1002. The ink priming system according to claim 988, wherein the cartridge unit comprises:
a body portion housing one or more ink storage compartments;
a pagewidth printhead assembly configured to receive ink from the one or more ink storage compartments and having a plurality of nozzles arranged in use to deliver the ink onto passing print media;
and an electrical connector in electrical communication with the nozzles of the printhead assembly and disposed along the length of the printhead assembly for mating with a corresponding connectors of the inkjet printer to control operation of the nozzles.

1003. The ink priming system according to claim 988, wherein the cartridge unit comprises:
a body portion having a plurality of ink storage compartments; and a pagewidth printhead assembly configured to receive ink from ink storage compartments and distribute said ink to a plurality of nozzles arranged in use to deliver the ink onto passing print media;
wherein the ink storage compartments comprise an absorption material which stores the ink therein under capillary action for supply to the nozzles of the printhead assembly.

1004. The ink priming system according to claim 988, wherein the pagewidth printhead assembly comprises:
a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
a plurality of integrated circuits extending the length of the printhead assembly, each integrated circuit having a plurality of nozzles formed in rows thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which the integrated circuits are fixed and which distributes the ink from the body portion to the nozzles of the integrated circuits;
wherein the integrated circuits are aligned in an abutting arrangement across the length of the ink distribution member.

1005. The ink priming system according to claim 988, wherein the pagewidth printhead assembly comprises:
a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;

one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles formed thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media;
an ink distribution member upon which the or each integrated circuit are fixed and which distributes the ink from the body portion to the nozzles of the or each integrated circuit;
wherein the body portion has one or more connectors formed thereon for securing the printhead assembly to the one or more ink sources to facilitate ink flow therebetween.

1006. The ink priming system according to claim 988, wherein the pagewidth printhead assembly comprises:
a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles formed thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media;
an ink distribution member upon which the or each integrated circuit is fixed and which distributes the ink from the body portion to the nozzles of the or each integrated circuit;
wherein an electrical connector in electrical communication with the or each integrated circuit extends along the length of the printhead assembly for mating with a corresponding electrical connector of the inkjet printer.

1007. The ink priming system according to claim 988, wherein the pagewidth printhead assembly comprises:
a body portion for receiving ink from one or more ink sources and having one or more channels formed therein for distributing the ink substantially along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which the or each integrated circuit is fixed and which distributes the ink from the body portion to each of the integrated circuits;
wherein the ink distribution member is a unitary element having a plurality of conduits formed therethrough, each of the conduits having an inlet which receives ink from one of the channels of the body portion and an outlet which delivers the ink to a predetermined number of nozzles of the one or more integrated circuits.

1008. The ink priming system according to claim 988, wherein the pagewidth printhead assembly comprises:
a body portion for receiving ink from one or more ink sources and having one or more channels formed therein for distributing the ink substantially along the length of the printhead assembly;

one or more integrated circuits extending substantially the length of the printhead assembly, each integrated circuit having a plurality of nozzles, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which each integrated circuit is fixed and which distributes the ink from the body portion to each of the integrated circuits;
wherein the ink distribution member comprises a first layer which directs the ink from the one or more channels of the body portion for delivery to each integrated circuit, and a second layer attached to said first layer for receiving and securing each integrated circuit in a position to receive the ink from the first layer.

1009. The ink priming system according to claim 988, wherein a pagewidth printhead in the pagewidth printhead assembly is arranged for capping by a capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body and movable with respect to the body to cap at least a portion of said printhead ;
wherein, the body includes a mounting element for removably mounting said capping assembly to said printhead.

1010. The ink priming system according to claim 988, wherein a pagewidth printhead in the pagewidth printhead assembly is arranged for capping by a capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body, said capping element having a rim portion adapted to cap at least a portion of said printhead ;
wherein, the capping element is movable with respect to said body between a first and a second position, said first position being where said rim portion extends from said body, and said second position being where said rim portion is contained within said body.

1011. The ink priming system according to claim 988, wherein a pagewidth printhead in the pagewidth printhead assembly is arranged for capping by a capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body and movable with respect to said body between a first and a second position, said first position being where a portion of the capping element extends from said body, and said second position being where said capping element is contained within said body;
wherein, the capping element is biased into said first position.

1012. The ink priming system according to claim 988, wherein a pagewidth printhead in the pagewidth printhead assembly is arranged for capping by a capping assembly comprising:
a body configured to extend the length of the printhead;
a capping element housed within said body and having a rim portion adapted to cap at least a portion of the printhead;

a displacement assembly housed within the body for moving the capping element between a first position where the rim portion of the capping element extends from said body, and a second position where the rim portion of the capping element is contained within the body;
wherein, the displacement assembly is controlled by an electromagnet which determines the position.

1013. The ink priming system according to claim 988, wherein the cartridge unit is removable and is arranged for use with a cradle unit comprising:
a body complementary to the inkjet cartridge unit; and a controller for controlling the operation of the printhead to facilitate printing;
wherein, a plurality of terminals are located along the length of the body to contact corresponding terminals located along the length of the removable inkjet cartridge to enable electrical communication between the controller and the cartridge.

1014. The ink priming system according to claim 988, wherein the cartridge unit is removable and is arranged for use with a cradle unit comprising:
a body complementary to the inkjet cartridge unit;
a controller for controlling the operation of the printhead to facilitate printing; and a plurality of terminals in electrical communication with said controller for transmitting control signals from said controller to corresponding terminals provided on said cartridge;
wherein said plurality of terminals are arranged to pivotally engage with said corresponding terminals provided on said carnidge when said cartridge is received by said body.

1015. The ink priming system according to claim 988, wherein the cartridge unit is removable and is arranged for use with a cradle unit comprising:
a body complementary to the inkjet cartridge; and a controller for controlling the operation of the printhead to facilitate printing;
wherein, said body includes a cover assembly for enclosing the removable inkjet cartridge within the body, said cover assembly having at least one port formed therein through which a refill unit is received for refilling the ink supply of the cartridge.

1016. The ink priming system according to claim 988, wherein the cartridge unit is removable and is arranged for use with a cradle unit comprising:
a body complementary to the inkjet cartridge; and a controller for controlling the operation of the printhead to facilitate printing;
wherein, said body is configured to receive a refill unit for supplying refill ink to the cartridge and includes a refill actuator for dispensing ink from said refill unit into said refillable ink supply.

1017. The ink priming system according to claim 988, wherein the cartridge unit is removable, has a capper assembly and is arranged for use with a cradle unit comprising:

a body complementary to the inkjet cartridge; and a controller for controlling the operation of the printhead to facilitate printing;
wherein, said body includes an electromagnet assembly mounted thereto which is controlled by said controller for operating said capper assembly of the removable inkjet cartridge.

1018. The ink priming system according to claim 988, wherein the cartridge unit is arranged for use with a cradle unit having a body complementary to the cartridge and a controller for controlling the operation of the printhead to facilitate printing, the cradle unit being adapted for covering by a cover assembly comprising:
at least one port formed therein through which a refill unit is received for refilling the ink supply of the cartridge.

1019. The ink priming system according to claim 988, wherein the cartridge unit is a removable and is arranged for use with a cradle unit having a body complementary to the cartridge and a controller for controlling the operation of the printhead to facilitate printing, the cradle unit being adapted for covering by a cover assembly comprising:
a refill actuator for dispensing ink from an ink refill unit into said refillable ink supply.

1020. The ink priming system according to claim 988, wherein the ink supplied to the priming inlet of the printhead assembly flows from the printhead assembly to the ink storage compartment via the ink flow passage to prime both the printhead assembly and the ink storage compartment with ink simultaneously.

1021. The ink priming system according to claim 988, wherein the cartridge unit is arranged for refilling by a printing fluid refill cartridge having a printing fluid dispenser comprising:
a body storing printing fluid having an outlet through which the printing fluid is dispensed; and a selector arranged to select the amount of the printing fluid to be dispensed from the body.

1022. The ink priming system according to claim 988, wherein the cartridge unit is arranged for use in a printing unit that is adapted for refilling with supply of printing fluid using a method comprising the steps of removably mounting a dispenser of printing fluid to the printing unit so as to align an outlet of the dispenser with an inlet of a printing fluid storage chamber of the printing unit;
determining an amount of printing fluid needed to substantially refill the printing fluid storage chamber; and selectively dispensing an amount of printing fluid from the dispenser corresponding to the determined amount.

1023. The ink priming system according to claim 988, wherein the cartridge unit is arranged for refilling by a printing fluid refill cartridge having a dispensing assembly comprising:
a body for storing printing fluid having an outlet through which the printing fluid is dispensed; and a plunger arranged to selectively change the storage capacity of the body and expel the printing fluid through said outlet by selective engagement of a movable retaining member with a series of grooves arranged along a surface of the plunger, thereby dispensing a selected amount of printing fluid from the outlet.

1024. The ink priming system according to claim 988, wherein the cartridge unit is a part of a print engine arranged for refilling by a printing fluid refill unit, wherein the refilling is controlled by a system comprising:
an information storage element incorporated in the refill unit for storing information on the amount of printing fluid contained in the refill unit; and an information reader incorporated in the print engine for reading the information stored by the storage element when the refill unit is mounted to the print engine and for controlling the refilling of the print engine with the printing fluid contained in the refill unit based on the information read.

1025. The ink priming system according to claim 988, wherein the cartridge unit is a part of a print engine arranged for refilling by a printing fluid refill unit comprising an information storage element for storing information on the amount of printing fluid contained in the refill unit and for connecting with an information reader incorporated in the print engine for reading the information stored by the storage element when the refill unit is mounted to the print engine, wherein the information stored by the storage element enables the reader to control the refilling of the print engine with the printing fluid contained in the refill unit.

1026. The ink priming system according to claim 988, wherein the cartridge unit is a part of a printing unit arranged for refilling by a printing fluid refill cartridge, wherein the refilling is controlled by a method comprising the steps of:
storing information on an amount of printing fluid contained in the refill cartridge in an information storage element incorporated therein;
mounting the refill cartridge to the printing unit;
reading the information on the amount of printing fluid with an information reader incorporated in the printing unit; and controlling the refilling of the printing unit with printing fluid contained in the refill cartridge based on the information read.

1027. The ink priming system according to claim 988, wherein the cartridge unit is associated with a printing fluid storage device comprising a porous body having a plurality of individual channels arranged in an array to store printing fluid and supply the stored printing fluid to at least one printing fluid ejecting nozzle of a printhead of a printer unit, wherein a first end of each of the channels is in fluid communication with a printing fluid supply to extract printing fluid from the fluid supply for storage therein under capillary action and the stored printing fluid is supplied to the at least one nozzle under capillary action.

1028. A printing fluid dispenser for a printing fluid refill cartridge comprising:
a body storing printing fluid having an outlet through which the printing fluid is dispensed; and a selector arranged to select the amount of the printing fluid to be dispensed from the body.

1029. A dispenser according to claim 1028, wherein the amount of the printing fluid selected by the selector is an amount selected from a set of discrete amounts of the printing fluid.

1030. A dispenser according to claim 1029, wherein the set of discrete amounts comprises amounts at about 6 ml intervals in a range of from 6 ml to 50 ml.

1031. A dispenser according to claim 1028, wherein the selector is arranged to selectively change the storage capacity of the body so as to dispense the selected amount of the stored printing fluid.

1032. A dispenser according to claim 1031, wherein:
the selector comprises a series of grooves and a retaining member selectively engageable with each of the grooves; and each selectively engageable position of the retaining member with the grooves provides a different amount of change of the storage capacity of the body.

1033. A dispenser according to claim 1032, wherein the series of grooves are arranged in a row along a surface of the selector and the retaining member is pivotable with respect to the grooves, said relative pivoting providing the selective engagement of the retaining member with the grooves.

1034. A dispenser according to claim 1033, wherein the series of grooves are arranged in a substantially circular loop and are rotatable with respect to the retaining member and the body, said relative rotation providing the selective engagement of the retaining member with the grooves.

1035. A dispenser according to claim 1034, wherein the retaining member is pivotable with respect to the grooves so as to engage and disengage therefrom, the grooves being able to rotate when the retaining member is disengaged and being prevented from rotating when the retaining member is engaged.

1036. A dispenser according to claim 1033, wherein the selector comprises:
a plunger arranged to seal with an open end of the body opposite the outlet and to plunge into the interior of the body;
an urging member arranged about the plunger so as to urge the plunger into the body;
a rotatable shaft having the substantially circular loop of grooves about one end and a grooved thread about the other end; and a linking member attached to the grooved thread at one end and to the plunger at the other end so as to be windable into the grooved thread and about the shaft, the urging member causing the rotation of the shaft and thereby the grooves via the linking member when the retaining member is disengaged with the grooves.

1037. A dispenser according to claim 1031, further comprising a plunger having a toothed helical thread which engages with a screw thread provided in an internal wall of the body, wherein:
the selector comprises a drive gear associated with a driving device; and rotation of the drive gear is imparted to the toothed thread so as to rotate the plunger within the screw thread of the body thereby changing the storage capacity of the body.

1038. A dispenser according to claim 1038, wherein the body incorporates a collapsible reservoir storing the printing fluid and having the outlet at one end thereof.

1039. A dispenser according to claim 1028, further comprising an aperture removably engageable with an inlet of a printing fluid storage chamber of a printing unit.

1040. A dispenser according to claim 1039, further comprising means to determine an amount of printing fluid needed to substantially refill the printing fluid storage chamber, wherein the amount of printing fluid to be dispensed is selected by the selector to correspond to the determined amount.

1041. A dispenser according to claim 1039, wherein the aperture comprises a syringe needle arranged to penetrate a valve seal of the chamber inlet so as to dispense the stored printing fluid therethrough.

1042. A dispenser according to claim 1039, further comprising a securing arrangement for removably securing the aperture with the chamber inlet.

1043. A dispenser according to claim 1042, wherein the securing arrangement incorporates at least one first engagement member arranged to be removably engageable with at least one second engagement member of the printing unit.

1044. A dispenser according to claim 1043, wherein the second engagement member is a slot and the first engagement member is a movable protrusion engageable with the slot.

1045. A dispenser according to claim 1044, wherein the securing arrangement further incorporates a movable region of a wall of the body which is arranged with the first engagement member, whereby movement of the movable region provides engagement and disengagement of the first and second engagement members.

1046. A dispenser according to claim 1045, wherein the movable region incorporates a depressible region of the body wall.

1047. A dispenser according to claim 1039, wherein the printing unit is a printer cartridge which is mountable to a printer and incorporates a printhead.

1048. A dispenser according to claim 1047, wherein a controller of the printer cartridge is arranged to control the selector so as to select the amount of the printing fluid to be dispensed, the selected amount being sufficient for refilling the printing fluid storage chamber.

1049. A dispenser according to claim 1028, wherein the printing fluid is ink or ink fixative.

1050. A dispenser according to claim 1039, wherein the printhead incorporates a pagewidth printhead arranged to print printing fluid across the width of sheets of print media.

1051. A dispenser according to claim 1039, wherein the printhead incorporates a pagewidth printhead arranged as a two-dimensional array of at least 50,000 printing nozzles for printing across the width of sheets of print media.

1052. A dispenser according to claim 1039, wherein the printhead incorporates an array of printing fluid ejecting nozzles configured as a pagewidth printhead arranged to print on sheets of print media by ejecting at least 1200 drops of printing fluid per inch across the width of the sheets.

1053. A dispenser according to claim 1039, wherein the printhead incorporates an array of printing fluid ejecting nozzles configured as a pagewidth printhead arranged to print on sheets of print media by ejecting drops of printing fluid across the width of the sheets with a drop ejection energy of less than about 250 nanojoules per drop.

1054. A dispenser according to claim 1039, wherein the printhead incorporates a pagewidth printhead arranged to print printing fluid across the width of sheets of print media at a rate of at least 60 sheets per minute.

1055. A dispenser according to claim 1039, wherein the printhead incorporates an array of printing fluid ejecting nozzles configured as a pagewidth printhead arranged to print on sheets of print media by ejecting drops of printing fluid across the width of the sheets at a rate of at least 500 million drops per second.

1056. The printing fluid dispenser according to claim 1028, wherein the printing fluid refill cartridge is arranged for use in an inkjet printer comprising:
a media input tray for supplying print media for printing;
a print engine for printing an image on said print media; and a media output tray for collecting the printed media;

wherein the print engine comprises a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply and a cradle having a body adapted to receive the removable inkjet cartridge and to control the operation of the printhead for printing.

1057. The printing fluid dispenser according to claim 1028, wherein the printing fluid refill cartridge is arranged for use with a print engine comprising:
a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply; and a cradle having a body adapted to receive the removable inkjet cartridge and to control the operation of the printhead for printing;
wherein the cradle is configured to be secured to the inkjet printer to receive print media from a media input tray and to deliver printed media to a media output tray.

1058. The printing fluid dispenser according to claim 1028, wherein the printing fluid refill cartridge is arranged for use with an inkjet cartridge unit comprising:
a body portion having one or more ink storage compartments; and a pagewidth printhead assembly mountable to said body and configured to receive ink from the one or more compartments and to distribute the ink along the length of the printhead assembly.

1059. The printing fluid dispenser according to claim 1028, wherein the printing fluid refill cartridge is arranged for use with an inkjet cartridge unit comprising:
a body portion having one or more ink storage compartments;
a pagewidth printhead assembly mountable to said body portion and configured to receive ink from the one or more compartments for printing; and a capper unit mountable to said body portion so as to extend along the length of the printhead assembly, the capper unit housing a capping element which is movable with respect to the capper unit to contact a surface of the printhead assembly.

1060. The printing fluid dispenser according to claim 1028, wherein the printing fluid refill cartridge is arranged for use with an inkjet cartridge unit comprising:
a body portion housing one or more ink storage compartments;
a pagewidth printhead assembly configured to receive ink from the one or more ink storage compartments and having a plurality of nozzles arranged in use to deliver the ink onto passing print media;
and an electrical connector in electrical communication with the nozzles of the printhead assembly and disposed along the length of the printhead assembly for mating with a corresponding connectors of the inkjet printer to control operation of the nozzles.

1061. The printing fluid dispenser according to claim 1028, wherein the printing fluid refill cartridge is arranged for use with an inkjet cartridge unit comprising:
a body portion having a plurality of ink storage compartments; and a pagewidth printhead assembly configured to receive ink from ink storage compartments and distribute said ink to a plurality of nozzles arranged in use to deliver the ink onto passing print media;
wherein the ink storage compartments comprise an absorption material which stores the ink therein under capillary action for supply to the nozzles of the printhead assembly.

1062. The printing fluid dispenser according to claim 1028, wherein the printing fluid refill cartridge is arranged for use with an inkjet cartridge having a pagewidth printhead assembly comprising:
a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
a plurality of integrated circuits extending the length of the printhead assembly, each integrated circuit having a plurality of nozzles formed in rows thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which the integrated circuits are fixed and which distributes the ink from the body portion to the nozzles of the integrated circuits;
wherein the integrated circuits are aligned in an abutting arrangement across the length of the ink distribution member.

1063. The printing fluid dispenser according to claim 1028, wherein the printing fluid refill cartridge is arranged for use with an inkjet cartridge having a pagewidth printhead assembly comprising:
a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles formed thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media;
an ink distribution member upon which the or each integrated circuit are fixed and which distributes the ink from the body portion to the nozzles of the or each integrated circuit;
wherein the body portion has one or more connectors formed thereon for securing the printhead assembly to the one or more ink sources to facilitate ink flow therebetween.

1064. The printing fluid dispenser according to claim 1028, wherein the printing fluid refill cartridge is arranged for use with an inkjet cartridge having a pagewidth printhead assembly comprising:
a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles formed thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which the or each integrated circuit is fixed and which distributes the ink from the body portion to the nozzles of the or each integrated circuit;

wherein an electrical connector in electrical communication with the or each integrated circuit extends along the length of the printhead assembly for mating with a corresponding electrical connector of the inkjet printer.

1065. The printing fluid dispenser according to claim 1028, wherein the printing fluid refill cartridge is arranged for use with an inkjet cartridge having a pagewidth printhead assembly comprising:

a body portion for receiving ink from one or more ink sources and having one or more channels formed therein for distributing the ink substantially along the length of the printhead assembly;

one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which the or each integrated circuit is fixed and which distributes the ink from the body portion to each of the integrated circuits;

wherein the ink distribution member is a unitary element having a plurality of conduits formed therethrough, each of the conduits having an inlet which receives ink from one of the channels of the body portion and an outlet which delivers the ink to a predetermined number of nozzles of the one or more integrated circuits.

1066. The printing fluid dispenser according to claim 1028, wherein the printing fluid refill cartridge is arranged for use with an inkjet cartridge having a pagewidth printhead assembly comprising:

a body portion for receiving ink from one or more ink sources and having one or more channels formed therein for distributing the ink substantially along the length of the printhead assembly;

one or more integrated circuits extending substantially the length of the printhead assembly, each integrated circuit having a plurality of nozzles, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which each integrated circuit is fixed and which distributes the ink from the body portion to each of the integrated circuits;

wherein the ink distribution member comprises a first layer which directs the ink from the one or more channels of the body portion for delivery to each integrated circuit, and a second layer attached to said first layer for receiving and securing each integrated circuit in a position to receive the ink from the first layer.

1067. The printing fluid dispenser according to claim 1028, wherein the printing fluid refill cartridge is arranged for use with an inkjet cartridge having a pagewidth printhead adapted for capping by a capping assembly comprising:

a body configured to extend the length of the printhead; and a capping element housed within said body and movable with respect to the body to cap at least a portion of said printhead ;

wherein, the body includes a mounting element for removably mounting said capping assembly to said printhead.
1068. The printing fluid dispenser according to claim 1028, wherein the printing fluid refill cartridge is arranged for use with an inkjet cartridge having a pagewidth printhead adapted for capping by a capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body, said capping element having a rim portion adapted to cap at least a portion of said printhead ;
wherein, the capping element is movable with respect to said body between a first and a second position, said first position being where said rim portion extends from said body, and said second position being where said rim portion is contained within said body.
1069. The printing fluid dispenser according to claim 1028, wherein the printing fluid refill cartridge is arranged for use with an inkjet cartridge having a pagewidth printhead adapted for capping by a capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body and movable with respect to said body between a first and a second position, said first position being where a portion of the capping element extends from said body, and said second position being where said capping element is contained within said body;
wherein, the capping element is biased into said first position.
1070. The printing fluid dispenser according to claim 1028, wherein the printing fluid refill cartridge is arranged for use with an inkjet cartridge having a pagewidth printhead adapted for capping by a capping assembly comprising:
a body configured to extend the length of the printhead;
a capping element housed within said body and having a rim portion adapted to cap at least a portion of the printhead;
a displacement assembly housed within the body for moving the capping element between a first position where the rim portion of the capping element extends from said body, and a second position where the rim portion of the capping element is contained within the body;
wherein, the displacement assembly is controlled by an electromagnet which determines the position.
1071. The printing fluid dispenser according to claim 1028, wherein the printing fluid refill cartridge is arranged for use with an inkjet cartridge adapted for use with a cradle unit comprising:
a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply; and a controller for controlling the operation of the printhead to facilitate printing;

wherein, a plurality of terminals are located along the length of the body to contact corresponding terminals located along the length of the removable inkjet cartridge to enable electrical communication between the controller and the cartridge.
1072. The printing fluid dispenser according to claim 1028, wherein the printing fluid refill cartridge is arranged for use with an inkjet cartridge adapted for use with a cradle unit comprising:
a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply;
a controller for controlling the operation of the printhead to facilitate printing; and a plurality of terminals in electrical communication with said controller for transmitting control signals from said controller to corresponding terminals provided on said cartridge;
wherein said plurality of terminals are arranged to pivotally engage with said corresponding terminals provided on said cartridge when said cartridge is received by said body.
1073. The printing fluid dispenser according to claim 1028, wherein the printing fluid refill cartridge is arranged for use with an inkjet cartridge adapted for use with a cradle unit comprising:
a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead and a refillable ink supply; and a controller for controlling the operation of the printhead to facilitate printing;
wherein, said body includes a cover assembly for enclosing the removable inkjet cartridge within the body, said cover assembly having at least one port formed therein through which a refill unit is received for refilling the ink supply of the cartridge.
1074. The printing fluid dispenser according to claim 1028, wherein the printing fluid refill cartridge is arranged for use with an inkjet cartridge adapted for use with a cradle unit comprising:
a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead and a refillable ink supply; and a controller for controlling the operation of the printhead to facilitate printing;
wherein, said body is configured to receive a refill unit for supplying refill ink to the cartridge and includes a refill actuator for dispensing ink from said refill unit into said refillable ink supply.
1075. The printing fluid dispenser according to claim 1028, wherein the printing fluid refill cartridge is arranged for use with an inkjet cartridge adapted for use with a cradle unit comprising:
a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead, an ink supply and a capper assembly; and a controller for controlling the operation of the printhead to facilitate printing;
wherein, said body includes an electromagnet assembly mounted thereto which is controlled by said controller for operating said capper assembly of the removable inkjet cartridge.

1076. The printing fluid dispenser according to claim 1028, wherein the printing fluid refill cartridge is arranged for use with a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply, the removable cartridge being arranged for use with a cradle unit having a body complementary to the removable cartridge and a controller for controlling the operation of the printhead to facilitate printing, the cradle unit being adapted for covering by a cover assembly comprising at least one port formed therein through which a refill unit is received for refilling the ink supply of the cartridge.
1077. The printing fluid dispenser according to claim 1028, wherein the printing fluid refill cartridge is arranged for use with a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply, the removable cartridge being arranged for use with a cradle unit having a body complementary to the removable cartridge and a controller for controlling the operation of the printhead to facilitate printing, the cradle unit being adapted for covering by a cover assembly comprising a refill actuator for dispensing ink from an ink refill unit into said refillable ink supply.
1078. The printing fluid dispenser according to claim 1028, wherein the printing fluid refill cartridge is arranged for use with a removable inkjet cartridge unit of a type having a pagewidth printhead assembly in fluid communication with one or more ink storage compartments, the removable cartridge unit being arranged for priming by an ink priming system comprising:
a priming inlet provided on said printhead assembly for receiving a supply of ink for priming the cartridge unit; and an ink flow passage providing fluid connection between said printhead assembly and one of the ink storage compartments;
wherein the ink supplied to the priming inlet of the printhead assembly flows from the printhead assembly to the ink storage compartment via the ink flow passage to prime both the printhead assembly and the ink storage compartment with ink simultaneously.
1079. The printing fluid dispenser according to claim 1028, wherein the printing fluid refill cartridge is arranged for use with a removable inkjet cartridge unit of a type having a pagewidth printhead assembly in fluid communication with one or more ink storage compartments, the removable cartridge unit being arranged for priming by an ink priming system comprising:
a priming inlet provided on said printhead assembly for receiving a supply of ink for priming the cartridge unit;
an ink flow passage providing fluid connection between said printhead assembly and one of the ink storage compartments; and a bypass flow passage providing additional fluid connection between the ink flow passage and the ink storage compartment;
wherein the ink supplied to the priming inlet of the printhead assembly flows from the printhead assembly to the ink storage compartment via the ink flow passage and the bypass flow passage to prime both the printhead assembly and the ink storage compartment with ink simultaneously.

1080. The printing fluid dispenser according to claim 1028, wherein the printing fluid refill cartridge is arranged for refilling a printing unit with supply of printing fluid, the method of refilling comprising the steps of:
removably mounting a dispenser of printing fluid to the printing unit so as to align an outlet of the dispenser with an inlet of a printing fluid storage chamber of the printing unit;
determining an amount of printing fluid needed to substantially refill the printing fluid storage chamber; and selectively dispensing an amount of printing fluid from the dispenser corresponding to the determined amount.
1081. The printing fluid dispenser according to claim 1028, the printing fluid refill cartridge having a dispensing assembly comprising:
a body for storing printing fluid having an outlet through which the printing fluid is dispensed; and a plunger arranged to selectively change the storage capacity of the body and expel the printing fluid through said outlet by selective engagement of a movable retaining member with a series of grooves arranged along a surface of the plunger, thereby dispensing a selected amount of printing fluid from the outlet.
1082. The printing fluid dispenser according to claim 1028, wherein the printing fluid refill cartridge is a refill unit arranged for use with a print engine and the refilling is controlled by a system comprising:
an information storage element incorporated in the refill unit for storing information on the amount of printing fluid contained in the refill unit; and an information reader incorporated in the print engine for reading the information stored by the storage element when the refill unit is mounted to the print engine and for controlling the refilling of the print engine with the printing fluid contained in the refill unit based on the information read.
1083. The printing fluid dispenser according to claim 1028, wherein the printing fluid refill cartridge is a printing fluid refill unit comprising an information storage element for storing information on the amount of printing fluid contained in the refill unit and for connecting with an information reader incorporated in the print engine for reading the information stored by the storage element when the refill unit is mounted to the print engine, wherein the information stored by the storage element enables the reader to control the refilling of the print engine with the printing fluid contained in the refill unit.
1084. The printing fluid dispenser according to claim 1028, wherein the printing fluid refill cartridge is arranged for refilling a printing unit, wherein the refilling is controlled by a method comprising the steps of:
storing information on an amount of printing fluid contained in the refill cartridge in an information storage element incorporated therein;
mounting the refill cartridge to the printing unit;

reading the information on the amount of printing fluid with an information reader incorporated in the printing unit; and controlling the refilling of the printing unit with printing fluid contained in the refill cartridge based on the information read.

1085. The printing fluid dispenser according to claim 1028, wherein the printing fluid refill cartridge is arranged for refilling an inkjet cartridge associated with a printing fluid storage device comprising a porous body having a plurality of individual channels arranged in an array to store printing fluid and supply the stored printing fluid to at least one printing fluid ejecting nozzle of a printhead of a printer unit, wherein a first end of each of the channels is in fluid communication with a printing fluid supply to extract printing fluid from the fluid supply for storage therein under capillary action and the stored printing fluid is supplied to the at least one nozzle under capillary action.

1086. A method of refilling a supply of printing fluid in a printing unit, comprising the steps of removably mounting a dispenser of printing fluid to the printing unit so as to align an outlet of the dispenser with an inlet of a printing fluid storage chamber of the printing unit;
determining an amount of printing fluid needed to substantially refill the printing fluid storage chamber; and selectively dispensing an amount of printing fluid from the dispenser corresponding to the determined amount.

1087. A method according to claim 1086, wherein the dispensing step comprises selecting an amount of the printing fluid from a set of discrete amounts of the printing fluid which is equal to or less than the determined amount.

1088. A method according to claim 1087, wherein the set of discrete amounts comprises amounts at about 6 ml intervals in a range of from 6 ml to 50 ml.

1089. A method according to claim 1086, wherein the dispensing step comprises selectively changing the storage capacity of the dispenser so as to dispense the selected amount of printing fluid.

1090. A method according to claim 1086, wherein the printing unit is a printer cartridge which is mountable to a printer and incorporates a printhead.

1091. A method according to claim 1090, wherein, in the determining step, a controller of the printer cartridge is used to determine the amount of printing fluid needed for refilling.

1092. A method according to claim 1091, wherein the dispensing step comprises controlling the selection of the amount of the printing fluid to be dispensed with the controller of the printer cartridge.

1093. A method according to claim 1086, wherein the determining step comprises continuously determining the amount of printing fluid contained in the printing fluid storage chamber and the dispensing step comprises continuously dispensing the printing fluid until it is determined in the determining step that the printing storage chamber is full.

1094. A method according to claim 1086, wherein the printing fluid is ink or ink fixative.

1095. The method according to claim 1086 wherein the printing unit is an inkjet printer comprising:
a media input tray for supplying print media for printing;
a print engine for printing an image on said print media; and a media output tray for collecting the printed media;
wherein the print engine comprises a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply and a cradle having a body adapted to receive the removable inkjet cartridge and to control the operation of the printhead for printing.

1096. The method according to claim 1086 wherein the printing unit comprises a print engine comprising:
a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply; and a cradle having a body adapted to receive the removable inkjet cartridge and to control the operation of the printhead for printing;
wherein the cradle is configured to be secured to the inkjet printer to receive print media from a media input tray and to deliver printed media to a media output tray.

1097. The method according to claim 1086 wherein the printing unit comprises an inkjet cartridge unit comprising:
a body portion having one or more ink storage compartments; and a pagewidth printhead assembly mountable to said body and configured to receive ink from the one or more compartments and to distribute the ink along the length of the printhead assembly.

1098. The method according to claim 1086 wherein the printing unit comprises an inkjet cartridge unit comprising:
a body portion having one or more ink storage compartments;
a pagewidth printhead assembly mountable to said body portion and configured to receive ink from the one or more compartments for printing; and a capper unit mountable to said body portion so as to extend along the length of the printhead assembly, the capper unit housing a capping element which is movable with respect to the capper unit to contact a surface of the printhead assembly.

1099. The method according to claim 1086 wherein the printing unit comprises an inkjet cartridge unit comprising:

a body portion housing one or more ink storage compartments;
a pagewidth printhead assembly configured to receive ink from the one or more ink storage compartments and having a plurality of nozzles arranged in use to deliver the ink onto passing print media;
and an electrical connector in electrical communication with the nozzles of the printhead assembly and disposed along the length of the printhead assembly for mating with a corresponding connectors of the inkjet printer to control operation of the nozzles.

1100. The method according to claim 1086 wherein the printing unit comprises an inkjet cartridge unit comprising:
a body portion having a plurality of ink storage compartments; and a pagewidth printhead assembly configured to receive ink from ink storage compartments and distribute said ink to a plurality of nozzles arranged in use to deliver the ink onto passing print media;
wherein the ink storage compartments comprise an absorption material which stores the ink therein under capillary action for supply to the nozzles of the printhead assembly.

1101. The method according to claim 1086 wherein the printing unit comprises a pagewidth printhead assembly comprising:
a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
a plurality of integrated circuits extending the length of the printhead assembly, each integrated circuit having a plurality of nozzles formed in rows thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which the integrated circuits are fixed and which distributes the ink from the body portion to the nozzles of the integrated circuits;
wherein the integrated circuits are aligned in an abutting arrangement across the length of the ink distribution member.

1102. The method according to claim 1086 wherein the printing unit comprises a pagewidth printhead assembly comprising:
a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles formed thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media;
an ink distribution member upon which the or each integrated circuit are fixed and which distributes the ink from the body portion to the nozzles of the or each integrated circuit;
wherein the body portion has one or more connectors formed thereon for securing the printhead assembly to the one or more ink sources to facilitate ink flow therebetween.

1103. The method according to claim 1086 wherein the printing unit comprises a pagewidth printhead assembly comprising:
a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles formed thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media;
an ink distribution member upon which the or each integrated circuit is fixed and which distributes the ink from the body portion to the nozzles of the or each integrated circuit;
wherein an electrical connector in electrical communication with the or each integrated circuit extends along the length of the printhead assembly for mating with a corresponding electrical connector of the inkjet printer.

1104. The method according to claim 1086 wherein the printing unit comprises a pagewidth printhead assembly comprising:
a body portion for receiving ink from one or more ink sources and having one or more channels formed therein for distributing the ink substantially along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which the or each integrated circuit is fixed and which distributes the ink from the body portion to each of the integrated circuits;
wherein the ink distribution member is a unitary element having a plurality of conduits formed therethrough, each of the conduits having an inlet which receives ink from one of the channels of the body portion and an outlet which delivers the ink to a predetermined number of nozzles of the one or more integrated circuits.

1105. The method according to claim 1086 wherein the printing unit comprises a pagewidth printhead assembly comprising:
a body portion for receiving ink from one or more ink sources and having one or more channels formed therein for distributing the ink substantially along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, each integrated circuit having a plurality of nozzles, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which each integrated circuit is fixed and which distributes the ink from the body portion to each of the integrated circuits;
wherein the ink distribution member comprises a first layer which directs the ink from the one or more channels of the body portion for delivery to each integrated circuit, and a second layer attached to said first layer for receiving and securing each integrated circuit in a position to receive the ink from the first layer.

1106. The method according to claim 1086 wherein the printing unit comprises a pagewidth printhead and a capping assembly for capping the pagewidth printhead, the capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body and movable with respect to the body to cap at least a portion of said printhead;
wherein, the body comprises a mounting element for removably mounting said capping assembly to said printhead.

1107. The method according to claim 1086 wherein the printing unit comprises a pagewidth printhead and a capping assembly for capping the pagewidth printhead, the capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body, said capping element having a rim portion adapted to cap at least a portion of said printhead;
wherein, the capping element is movable with respect to said body between a first and a second position, said first position being where said rim portion extends from said body, and said second position being where said rim portion is contained within said body.

1108. The method according to claim 1086 wherein the printing unit comprises a pagewidth printhead and a capping assembly for capping the pagewidth printhead, the capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body and movable with respect to said body between a first and a second position, said first position being where a portion of the capping element extends from said body, and said second position being where said capping element is contained within said body;
wherein, the capping element is biased into said first position.

1109. The method according to claim 1086 wherein the printing unit comprises a pagewidth printhead and a capping assembly for capping the pagewidth printhead, the capping assembly comprising:
a body configured to extend the length of the printhead;
a capping element housed within said body and having a rim portion adapted to cap at least a portion of the printhead;
a displacement assembly housed within the body for moving the capping element between a first position where the rim portion of the capping element extends from said body, and a second position where the rim portion of the capping element is contained within the body;
wherein, the displacement assembly is controlled by an electromagnet which determines the position.

1110. The method according to claim 1086 wherein the printing unit comprises a cradle unit comprising:
a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply; and a controller for controlling the operation of the printhead to facilitate printing;

wherein, a plurality of terminals are located along the length of the body to contact corresponding terminals located along the length of the removable inkjet cartridge to enable electrical communication between the controller and the cartridge.

1111. The method according to claim 1086 wherein the printing unit comprises a cradle unit comprising:
a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply;
a controller for controlling the operation of the printhead to facilitate printing; and a plurality of terminals in electrical communication with said controller for transmitting control signals from said controller to corresponding terminals provided on said cartridge;
wherein said plurality of terminals are arranged to pivotally engage with said corresponding terminals provided on said cartridge when said cartridge is received by said body.

1112. The method according to claim 1086 wherein the printing unit comprises a cradle unit comprising:
a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead and a refillable ink supply; and a controller for controlling the operation of the printhead to facilitate printing;
wherein, said body includes a cover assembly for enclosing the removable inkjet cartridge within the body, said cover assembly having at least one port formed therein through which a refill unit is received for refilling the ink supply of the cartridge.

1113. The method according to claim 1086 wherein the printing unit comprises a cradle unit comprising:
a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead and a refillable ink supply; and a controller for controlling the operation of the printhead to facilitate printing;
wherein, said body is configured to receive a refill unit for supplying refill ink to the cartridge and includes a refill actuator for dispensing ink from said refill unit into said refillable ink supply.

1114. The method according to claim 1086 wherein the printing unit comprises a cradle unit comprising:
a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead, an ink supply and a capper assembly; and a controller for controlling the operation of the printhead to facilitate printing;
wherein, said body includes an electromagnet assembly mounted thereto which is controlled by said controller for operating said capper assembly of the removable inkjet cartridge.

1115. The method according to claim 1086 wherein the printing unit comprises a cradle unit having a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply and a controller for controlling the operation of the printhead to facilitate printing, the printing unit also comprising a cover assembly for the cradle unit, the cover assembly comprising at least one port formed therein through which a refill unit is received for refilling the ink supply of the cartridge.

1116. The method according to claim 1086 wherein the printing unit comprises a cradle unit having a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply and a controller for controlling the operation of the printhead to facilitate printing, the printing unit also comprising a cover assembly for the cradle unit, the cover assembly comprising a refill actuator for dispensing ink from an ink refill unit into said refillable ink supply.

1117. The method according to claim 1086 wherein the printing unit comprises a cartridge unit of the type having a pagewidth printhead assembly in fluid communication with one or more ink storage compartments and an ink priming system for the cartridge unit, the priming system comprising:
a priming inlet provided on said printhead assembly for receiving a supply of ink for priming the cartridge unit; and an ink flow passage providing fluid connection between said printhead assembly and one of the ink storage compartments;
wherein the ink supplied to the priming inlet of the printhead assembly flows from the printhead assembly to the ink storage compartment via the ink flow passage to prime both the printhead assembly and the ink storage compartment with ink simultaneously.

1118. The method according to claim 1086 wherein the printing unit comprises a cartridge unit of the type having a pagewidth printhead assembly in fluid communication with one or more ink storage compartments and an ink priming system for the cartridge unit, the priming system comprising:
a priming inlet provided on said printhead assembly for receiving a supply of ink for priming the cartridge unit;
an ink flow passage providing fluid connection between said printhead assembly and one of the ink storage compartments; and a bypass flow passage providing additional fluid connection between the ink flow passage and the ink storage compartment;
wherein the ink supplied to the priming inlet of the printhead assembly flows from the printhead assembly to the ink storage compartment via the ink flow passage and the bypass flow passage to prime both the printhead assembly and the ink storage compartment with ink simultaneously.

1119. The method according to claim 1086 wherein the dispenser comprises:
a body storing printing fluid having an outlet through which the printing fluid is dispensed; and a selector arranged to select the amount of the printing fluid to be dispensed from the body.

1120. The method according to claim 1086 wherein the step of selective dispensing involves the use of a dispensing assembly comprising:
a body for storing printing fluid having an outlet through which the printing fluid is dispensed; and a plunger arranged to selectively change the storage capacity of the body and expel the printing fluid through said outlet by selective engagement of a movable retaining member with a series of grooves arranged along a surface of the plunger, thereby dispensing a selected amount of printing fluid from the outlet.

1121. The method according to claim 1086 wherein the method is related to refilling of a print engine of the print unit from a printing fluid refill unit, the refilling being controlled by a system comprising:
an information storage element incorporated in the refill unit for storing information on the amount of printing fluid contained in the refill unit; and an information reader incorporated in the print engine for reading the information stored by the storage element when the refill unit is mounted to the print engine and for controlling the refilling of the print engine with the printing fluid contained in the refill unit based on the information read.

1122. The method according to claim 1086 wherein the method is related to refilling of a print engine of the print unit from a printing fluid refill unit comprising an information storage element for storing information on the amount of printing fluid contained in the refill unit and for connecting with an information reader incorporated in the print engine for reading the information stored by the storage element when the refill unit is mounted to the print engine, wherein the information stored by the storage element enables the reader to control the refilling of the print engine with the printing fluid contained in the refill unit.

1123. The method according to claim 1086 wherein the refilling of the printing unit involves a printing fluid refill cartridge and the refilling is controlled by a method comprising the steps of:
storing information on an amount of printing fluid contained in the refill cartridge in an information storage element incorporated therein;
mounting the refill cartridge to the printing unit;
reading the information on the amount of printing fluid with an information reader incorporated in the printing unit; and controlling the refilling of the printing unit with printing fluid contained in the refill cartridge based on the information read.

1124. The method according to claim 1086 wherein the printing unit comprises a printing fluid storage device comprising a porous body having a plurality of individual channels arranged in an array to store printing fluid and supply the stored printing fluid to at least one printing fluid ejecting nozzle of a printhead of a printer unit, wherein a first end of each of the channels is in fluid communication with a printing fluid supply to extract printing fluid from the fluid supply for storage therein under capillary action and the stored printing fluid is supplied to the at least one nozzle under capillary action.

1125. A dispensing assembly for a printing fluid refill cartridge, the dispensing assembly comprising:
a body for storing printing fluid having an outlet through which the printing fluid is dispensed; and a plunger arranged to selectively change the storage capacity of the body and expel the printing fluid through said outlet by selective engagement of a movable retaining member with a series of grooves arranged along a surface of the plunger, thereby dispensing a selected amount of printing fluid from the outlet.

1126. An assembly according to claim 1125, wherein the plunger is arranged to seal with an open end of the body opposite the outlet, the assembly further comprising an urging member for constantly urging the plunger into the interior of the body.

1127. An assembly according to claim 1126, wherein the retaining member is configured so as provide sufficient retaining force of the position of the plunger with respect to the body through its engagement with the grooves against the urging force provided by the urging member.

1128. An assembly according to claim 1127, wherein the body, the plunger and the urging member are arranged in a housing of the refill cartridge, the urging member being arranged between an internal surface of the housing and the plunger.

1129. An assembly according to claim 1128, wherein the urging member incorporates a compression spring.

1130. An assembly according to claim 1128, wherein the retaining member is mounted within the housing so as to be rotatable and so as to have one end engageable with the grooves and an opposite end engageable with an actuator for causing the rotation of the retaining member and thereby causing the engagement and disengagement of the retaining member with the grooves.

1131. An assembly according to claim 1130, wherein the actuator is incorporated in a printing unit to which the refill cartridge is mounted for refilling.

1132. An assembly according to claim 1125, wherein the selected amount of printing fluid is an amount selected from a set of discrete amounts of the printing fluid.

1133. An assembly according to claim 1132, wherein the set of discrete amounts comprises amounts at about 6 ml intervals in a range of from 6 ml to 50 ml.

1134. An assembly according to claim 1131, wherein the printing unit incorporates a pagewidth printhead arranged to print printing fluid across the width of sheets of print media.

1135. An assembly according to claim 1131, wherein the printing unit incorporates a pagewidth printhead arranged as a two-dimensional array of at least 50,000 printing nozzles for printing across the width of sheets of print media.

1136. An assembly according to claim 1131, wherein the printing unit incorporates an array of printing fluid ejecting nozzles configured as a pagewidth printhead arranged to print on sheets of print media by ejecting at least 1200 drops of printing fluid per inch across the width of the sheets.

1137. An assembly according to claim 1131, wherein the printing unit incorporates an array of printing fluid ejecting nozzles configured as a pagewidth printhead arranged to print on sheets of print media by ejecting drops of printing fluid across the width of the sheets with a drop ejection energy of less than about 250 nanojoules per drop.

1138. An assembly according to claim 1131, wherein the printing unit incorporates a pagewidth printhead arranged to print printing fluid across the width of sheets of print media at a rate of at least 60 sheets per minute.

1139. An assembly according to claim 1131, wherein the printing unit incorporates an array of printing fluid ejecting nozzles configured as a pagewidth printhead arranged to print on sheets of print media by ejecting drops of printing fluid across the width of the sheets at a rate of at least 500 million drops per second.

1140. The dispensing assembly according to claim 1125, wherein the printing fluid refill cartridge is arranged for use in an inkjet printer comprising:
a media input tray for supplying print media for printing;
a print engine for printing an image on said print media; and a media output tray for collecting the printed media;
wherein the print engine comprises a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply and a cradle having a body adapted to receive the removable inkjet cartridge and to control the operation of the printhead for printing.

1141. The dispensing assembly according to claim 1125, wherein the printing fluid refill cartridge is arranged for use with a print engine comprising:
a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply; and a cradle having a body adapted to receive the removable inkjet cartridge and to control the operation of the printhead for printing;

wherein the cradle is configured to be secured to the inkjet printer to receive print media from a media input tray and to deliver printed media to a media output tray.

1142. The dispensing assembly according to claim 1125, wherein the printing fluid refill cartridge is arranged for use with an inkjet cartridge unit comprising:
a body portion having one or more ink storage compartments; and a pagewidth printhead assembly mountable to said body and configured to receive ink from the one or more compartments and to distribute the ink along the length of the printhead assembly.

1143. The dispensing assembly according to claim 1125, wherein the printing fluid refill cartridge is arranged for use with an inkjet cartridge unit comprising:
a body portion having one or more ink storage compartments;
a pagewidth printhead assembly mountable to said body portion and configured to receive ink from the one or more compartments for printing; and a capper unit mountable to said body portion so as to extend along the length of the printhead assembly, the capper unit housing a capping element which is movable with respect to the capper unit to contact a surface of the printhead assembly.

1144. The dispensing assembly according to claim 1125, wherein the printing fluid refill cartridge is arranged for use with an inkjet cartridge unit comprising:
a body portion housing one or more ink storage compartments;
a pagewidth printhead assembly configured to receive ink from the one or more ink storage compartments and having a plurality of nozzles arranged in use to deliver the ink onto passing print media;
and an electrical connector in electrical communication with the nozzles of the printhead assembly and disposed along the length of the printhead assembly for mating with a corresponding connectors of the inkjet printer to control operation of the nozzles.

1145. The dispensing assembly according to claim 1125, wherein the printing fluid refill cartridge is arranged for use with an inkjet cartridge unit comprising:
a body portion having a plurality of ink storage compartments; and a pagewidth printhead assembly configured to receive ink from ink storage compartments and distribute said ink to a plurality of nozzles arranged in use to deliver the ink onto passing print media;
wherein the ink storage compartments comprise an absorption material which stores the ink therein under capillary action for supply to the nozzles of the printhead assembly.

1146. The dispensing assembly according to claim 1125, wherein the printing fluid refill cartridge is arranged for use with an inkjet cartridge having a pagewidth printhead assembly comprising:

a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
a plurality of integrated circuits extending the length of the printhead assembly, each integrated circuit having a plurality of nozzles formed in rows thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which the integrated circuits are fixed and which distributes the ink from the body portion to the nozzles of the integrated circuits;
wherein the integrated circuits are aligned in an abutting arrangement across the length of the ink distribution member.

1147. The dispensing assembly according to claim 1125, wherein the printing fluid refill cartridge is arranged for use with an inkjet cartridge having a pagewidth printhead assembly comprising:
a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles formed thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media;
an ink distribution member upon which the or each integrated circuit are fixed and which distributes the ink from the body portion to the nozzles of the or each integrated circuit;
wherein the body portion has one or more connectors formed thereon for securing the printhead assembly to the one or more ink sources to facilitate ink flow therebetween.

1148. The dispensing assembly according to claim 1125, wherein the printing fluid refill cartridge is arranged for use with an inkjet cartridge having a pagewidth printhead assembly comprising:
a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles formed thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media;
an ink distribution member upon which the or each integrated circuit is fixed and which distributes the ink from the body portion to the nozzles of the or each integrated circuit;
wherein an electrical connector in electrical communication with the or each integrated circuit extends along the length of the printhead assembly for mating with a corresponding electrical connector of the inkjet printer.

1149. The dispensing assembly according to claim 1125, wherein the printing fluid refill cartridge is arranged for use with an inkjet cartridge having a pagewidth printhead assembly comprising:
a body portion for receiving ink from one or more ink sources and having one or more channels formed therein for distributing the ink substantially along the length of the printhead assembly;

one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which the or each integrated circuit is fixed and which distributes the ink from the body portion to each of the integrated circuits;
wherein the ink distribution member is a unitary element having a plurality of conduits formed therethrough, each of the conduits having an inlet which receives ink from one of the channels of the body portion and an outlet which delivers the ink to a predetermined number of nozzles of the one or more integrated circuits.

1150. The dispensing assembly according to claim 1125, wherein the printing fluid refill cartridge is arranged for use with an inkjet cartridge having a pagewidth printhead assembly comprising:
a body portion for receiving ink from one or more ink sources and having one or more channels formed therein for distributing the ink substantially along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, each integrated circuit having a plurality of nozzles, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which each integrated circuit is fixed and which distributes the ink from the body portion to each of the integrated circuits;
wherein the ink distribution member comprises a first layer which directs the ink from the one or more channels of the body portion for delivery to each integrated circuit, and a second layer attached to said first layer for receiving and securing each integrated circuit in a position to receive the ink from the first layer.

1151. The dispensing assembly according to claim 1125, wherein the printing fluid refill cartridge is arranged for use with an inkjet cartridge having a pagewidth printhead adapted for capping by a capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body and movable with respect to the body to cap at least a portion of said printhead ;
wherein, the body includes a mounting element for removably mounting said capping assembly to said printhead.

1152. The dispensing assembly according to claim 1125, wherein the printing fluid refill cartridge is arranged for use with an inkjet cartridge having a pagewidth printhead adapted for capping by a capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body, said capping element having a rim portion adapted to cap at least a portion of said printhead ;

wherein, the capping element is movable with respect to said body between a first and a second position, said first position being where said rim portion extends from said body, and said second position being where said rim portion is contained within said body.

1153. The dispensing assembly according to claim 1125, wherein the printing fluid refill cartridge is arranged for use with an inkjet cartridge having a pagewidth printhead adapted for capping by a capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body and movable with respect to said body between a first and a second position, said first position being where a portion of the capping element extends from said body, and said second position being where said capping element is contained within said body;
wherein, the capping element is biased into said first position.

1154. The dispensing assembly according to claim 1125, wherein the printing fluid refill cartridge is arranged for use with an inkjet cartridge having a pagewidth printhead adapted for capping by a capping assembly comprising:
a body configured to extend the length of the printhead;
a capping element housed within said body and having a rim portion adapted to cap at least a portion of the printhead;
a displacement assembly housed within the body for moving the capping element between a first position where the rim portion of the capping element extends from said body, and a second position where the rim portion of the capping element is contained within the body;
wherein, the displacement assembly is controlled by an electromagnet which determines the position.

1155. The dispensing assembly according to claim 1125, wherein the printing fluid refill cartridge is arranged for use with an inkjet cartridge adapted for use with a cradle unit comprising:
a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply; and a controller for controlling the operation of the printhead to facilitate printing;
wherein, a plurality of terminals are located along the length of the body to contact corresponding terminals located along the length of the removable inkjet cartridge to enable electrical communication between the controller and the cartridge.

1156. The dispensing assembly according to claim 1125, wherein the printing fluid refill cartridge is arranged for use with an inkjet cartridge adapted for use with a cradle unit comprising:
a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply;
a controller for controlling the operation of the printhead to facilitate printing; and a plurality of terminals in electrical communication with said controller for transmitting control signals from said controller to corresponding terminals provided on said cartridge;
wherein said plurality of terminals are arranged to pivotally engage with said corresponding terminals provided on said cartridge when said cartridge is received by said body.

1157. The dispensing assembly according to claim 1125, wherein the printing fluid refill cartridge is arranged for use with an inkjet cartridge adapted for use with a cradle unit comprising:
a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead and a refillable ink supply; and a controller for controlling the operation of the printhead to facilitate printing;
wherein, said body includes a cover assembly for enclosing the removable inkjet cartridge within the body, said cover assembly having at least one port formed therein through which a refill unit is received for refilling the ink supply of the cartridge.

1158. The dispensing assembly according to claim 1125, wherein the printing fluid refill cartridge is arranged for use with an inkjet cartridge adapted for use with a cradle unit comprising:
a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead and a refillable ink supply; and a controller for controlling the operation of the printhead to facilitate printing;
wherein, said body is configured to receive a refill unit for supplying refill ink to the cartridge and includes a refill actuator for dispensing ink from said refill unit into said refillable ink supply.

1159. The dispensing assembly according to claim 1125, wherein the printing fluid refill cartridge is arranged for use with an inkjet cartridge adapted for use with a cradle unit comprising:
a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead, an ink supply and a capper assembly; and a controller for controlling the operation of the printhead to facilitate printing;
wherein, said body includes an electromagnet assembly mounted thereto which is controlled by said controller for operating said capper assembly of the removable inkjet cartridge.

1160. The dispensing assembly according to claim 1125, wherein the printing fluid refill cartridge is arranged for use with a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply, the removable cartridge being arranged for use with a cradle unit having a body complementary to the removable cartridge and a controller for controlling the operation of the printhead to facilitate printing, the cradle unit being adapted for covering by a cover assembly comprising at least one port formed therein through which a refill unit is received for refilling the ink supply of the cartridge.

1161. The dispensing assembly according to claim 1125, wherein the printing fluid refill cartridge is arranged for use with a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply, the removable cartridge being arranged for use with a cradle unit having a body complementary to the removable cartridge and a controller for controlling the operation of the printhead to facilitate printing, wherein the cradle unit is adapted for covering by a cover assembly comprising a refill actuator for dispensing ink from an ink refill unit into said refillable ink supply.

1162. The dispensing assembly according to claim 1125, wherein the printing fluid refill cartridge is arranged for use with a removable inkjet cartridge unit of a type having a pagewidth printhead and an ink supply, the removable cartridge unit being arranged for priming by an ink priming system comprising:
a priming inlet provided on said printhead assembly for receiving a supply of ink for priming the cartridge unit; and an ink flow passage providing fluid connection between said printhead assembly and one of the ink storage compartments;
wherein the ink supplied to the priming inlet of the printhead assembly flows from the printhead assembly to the ink storage compartment via the ink flow passage to prime both the printhead assembly and the ink storage compartment with ink simultaneously.

1163. The dispensing assembly according to claim 1125, wherein the printing fluid refill cartridge is arranged for use with a removable inkjet cartridge unit of a type having a pagewidth printhead and an ink supply, the removable cartridge unit being arranged for priming by an ink priming system comprising:
a priming inlet provided on said printhead assembly for receiving a supply of ink for priming the cartridge unit;
an ink flow passage providing fluid connection between said printhead assembly and one of the ink storage compartments; and a bypass flow passage providing additional fluid connection between the ink flow passage and the ink storage compartment;
wherein the ink supplied to the priming inlet of the printhead assembly flows from the printhead assembly to the ink storage compartment via the ink flow passage and the bypass flow passage to prime both the printhead assembly and the ink storage compartment with ink simultaneously.

1164. The dispensing assembly according to claim 1125, the assembly comprising a printing fluid dispenser for the printing fluid refill cartridge, the dispenser comprising:
a body storing printing fluid having an outlet through which the printing fluid is dispensed; and a selector arranged to select the amount of the printing fluid to be dispensed from the body.

1165. The dispensing assembly according to claim 1125, wherein the refill cartridge is arranged for use in a method of refilling a supply of printing fluid in a printing unit, the method comprising the steps of removably mounting a dispenser of printing fluid to the printing unit so as to align an outlet of the dispenser with an inlet of a printing fluid storage chamber of the printing unit;

determining an amount of printing fluid needed to substantially refill the printing fluid storage chamber; and selectively dispensing an amount of printing fluid from the dispenser corresponding to the determined amount.

1166. The dispensing assembly according to claim 1125, wherein the printing fluid refill cartridge is a refill unit arranged for refilling of a print engine, the refilling being controlled by a system comprising:
an information storage element incorporated in the refill unit for storing information on the amount of printing fluid contained in the refill unit; and an information reader incorporated in the print engine for reading the information stored by the storage element when the refill unit is mounted to the print engine and for controlling the refilling of the print engine with the printing fluid contained in the refill unit based on the information read.

1167. The dispensing assembly according to claim 1125, wherein the printing fluid refill cartridge is a printing fluid refill unit comprising an information storage element for storing information on the amount of printing fluid contained in the refill unit and for connecting with an information reader incorporated in the print engine for reading the information stored by the storage element when the refill unit is mounted to the print engine, wherein the information stored by the storage element enables the reader to control the refilling of the print engine with the printing fluid contained in the refill unit.

1168. The dispensing assembly according to claim 1125, wherein the printing fluid refill cartridge is arranged for refilling a printing unit, the refilling being controlled by a method comprising the steps of:
storing information on an amount of printing fluid contained in the refill cartridge in an information storage element incorporated therein;
mounting the refill cartridge to the printing unit;
reading the information on the amount of printing fluid with an information reader incorporated in the printing unit; and controlling the refilling of the printing unit with printing fluid contained in the refill cartridge based on the information read.

1169. The dispensing assembly according to claim 1125, wherein the printing fluid refill cartridge is arranged for use with an inkjet cartridge associated with a printing fluid storage device comprising a porous body having a plurality of individual channels arranged in an array to store printing fluid and supply the stored printing fluid to at least one printing fluid ejecting nozzle of a printhead of a printer unit, wherein a first end of each of the channels is in fluid communication with a printing fluid supply to extract printing fluid from the fluid supply for storage therein under capillary action and the stored printing fluid is supplied to the at least one nozzle under capillary action.

1170. A system for controlling refilling of a print engine by a printing fluid refill unit, comprising:
an information storage element incorporated in the refill unit for storing information on the amount of printing fluid contained in the refill unit; and an information reader incorporated in the print engine for reading the information stored by the storage element when the refill unit is mounted to the print engine and for controlling the refilling of the print engine with the printing fluid contained in the refill unit based on the information read.

1171. A system according to claim 1170, wherein the information reader is arranged to control the refilling by controlling the amount of the printing fluid to be dispensed by the refill unit.

1172. A system according to claim 1170, wherein the print engine comprises a printhead cartridge unit which is mountable to a cradle unit.

1173. A system according to claim 1172, wherein the information reader incorporates a print engine controller of the printhead cartridge unit which is arranged to control the printing performed by the printhead, a connector of the print engine controller being arranged to contact a connector of the information storage element of the refill unit when the refill unit is mounted to the cartridge unit.

1174. A system according to claim 1170, wherein:
the print engine has a plurality of chambers which each store a different type of printing fluid for distribution to a printhead; and the information reader is arranged to store information on the type of printing fluid stored in each of the chambers.

1175. A system according to claim 1174, wherein:
the storage element stores information on the type of printing fluid contained in the refill unit;
the refill unit has an outlet for engaging with a refill port of one of the chambers through which the printing fluid contained in the refill unit is dispensable; and the information reader is arranged to check that the chamber with which the outlet is engaged stores the type of printing fluid contained in the refill unit and to control the refilling based on that check.

1176. A system according to claim 1175, wherein the type of printing fluid includes black ink, cyan ink, magenta ink, yellow ink, infrared ink and ink fixative.

1177. A system according to claim 1175, further comprising a sensor for sensing the engagement of the outlet with the refill port, wherein the information reader is arranged to control the refilling in response to the sensor sensing the engagement.

1178. A system according to claim 1170, wherein:

and the refill unit has a securing arrangement for removably securing the refill unit to the print engine;
the information reader is arranged to control the refilling in response to the securement.

1179. A system according to claim 1172, wherein the printhead incorporates a pagewidth printhead arranged to print printing fluid across the width of sheets of print media.

1180. A system according to claim 1172, wherein the printhead incorporates a pagewidth printhead arranged as a two-dimensional array of at least 50,000 printing nozzles for printing across the width of sheets of print media.

1181. A system according to claim 1172, wherein the printhead incorporates an array of printing fluid ejecting nozzles configured as a pagewidth printhead arranged to print on sheets of print media by ejecting at least 1200 drops of printing fluid per inch across the width of the sheets.

1182. A system according to claim 1172, wherein the printhead incorporates an array of printing fluid ejecting nozzles configured as a pagewidth printhead arranged to print on sheets of print media by ejecting drops of printing fluid across the width of the sheets with a drop ejection energy of less than about 250 nanojoules per drop.

1183. A system according to claim 1172, wherein the printhead incorporates a pagewidth printhead arranged to print printing fluid across the width of sheets of print media at a rate of at least 60 sheets per minute.

1184. A system according to claim 1172, wherein the printhead incorporates an array of printing fluid ejecting nozzles configured as a pagewidth printhead arranged to print on sheets of print media by ejecting drops of printing fluid across the width of the sheets at a rate of at least 500 million drops per second.

1185. The system according to claim 1170, wherein the print engine is arranged for use in a printing unit comprising:
a media input tray for supplying print media for printing;
the print engine; and a media output tray for collecting the printed media;
wherein the print engine comprises a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply and a cradle having a body adapted to receive the removable inkjet cartridge and to control the operation of the printhead for printing;

1186. The system according to claim 1170, wherein the print engine comprises:
a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply; and a cradle having a body adapted to receive the removable inkjet cartridge and to control the operation of the printhead for printing;
wherein the cradle is configured to be secured to the inkjet printer to receive print media from a media input tray and to deliver printed media to a media output tray.

1187. The system according to claim 1170, wherein the print engine comprises a cartridge unit comprising:
a body portion having one or more ink storage compartments; and a pagewidth printhead assembly mountable to said body and configured to receive ink from the one or more compartments and to distribute the ink along the length of the printhead assembly.

1188. The system according to claim 1170, wherein the print engine comprises an inkjet cartridge unit comprising:
a body portion having one or more ink storage compartments;
a pagewidth printhead assembly mountable to said body portion and configured to receive ink from the one or more compartments for printing; and a capper unit mountable to said body portion so as to extend along the length of the printhead assembly, the capper unit housing a capping element which is movable with respect to the capper unit to contact a surface of the printhead assembly.

1189. The system according to claim 1170, wherein the print engine comprising an inkjet cartridge unit comprising:
a body portion housing one or more ink storage compartments;
a pagewidth printhead assembly configured to receive ink from the one or more ink storage compartments and having a plurality of nozzles arranged in use to deliver the ink onto passing print media;
and an electrical connector in electrical communication with the nozzles of the printhead assembly and disposed along the length of the printhead assembly for mating with a corresponding connectors of the inkjet printer to control operation of the nozzles.

1190. The system according to claim 1170, wherein the print engine comprises a cartridge unit comprising:
a body portion having a plurality of ink storage compartments; and a pagewidth printhead assembly configured to receive ink from ink storage compartments; and distribute said ink to a plurality of nozzles arranged in use to deliver the ink onto passing print media;
wherein the ink storage compartments comprise an absorption material which stores the ink therein under capillary action for supply to the nozzles of the printhead assembly.

1191. The system according to claim 1170, wherein the print engine comprises an inkjet cartridge having a pagewidth printhead assembly comprising:

a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
a plurality of integrated circuits extending the length of the printhead assembly, each integrated circuit having a plurality of nozzles formed in rows thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which the integrated circuits are fixed and which distributes the ink from the body portion to the nozzles of the integrated circuits;
wherein the integrated circuits are aligned in an abutting arrangement across the length of the ink distribution member.

1192. The system according to claim 1170, wherein the print engine comprises an inkjet cartridge having a pagewidth printhead assembly comprising:
a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles formed thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media;
an ink distribution member upon which the or each integrated circuit are fixed and which distributes the ink from the body portion to the nozzles of the or each integrated circuit;
wherein the body portion has one or more connectors formed thereon for securing the printhead assembly to the one or more ink sources to facilitate ink flow therebetween.

1193. The system according to claim 1170, wherein the print engine comprises an inkjet cartridge having a pagewidth printhead assembly comprising:
a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles formed thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media;
an ink distribution member upon which the or each integrated circuit is fixed and which distributes the ink from the body portion to the nozzles of the or each integrated circuit;
wherein an electrical connector in electrical communication with the or each integrated circuit extends along the length of the printhead assembly for mating with a corresponding electrical connector of the inkjet printer.

1194. The system according to claim 1170, wherein the print engine comprises an inkjet cartridge having a pagewidth printhead assembly comprising:
a body portion for receiving ink from one or more ink sources and having one or more channels formed therein for distributing the ink substantially along the length of the printhead assembly;

one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which the or each integrated circuit is fixed and which distributes the ink from the body portion to each of the integrated circuits;
wherein the ink distribution member is a unitary element having a plurality of conduits formed therethrough, each of the conduits having an inlet which receives ink from one of the channels of the body portion and an outlet which delivers the ink to a predetermined number of nozzles of the one or more integrated circuits.

1195. The system according to claim 1170, wherein the print engine comprises an inkjet cartridge having a pagewidth printhead assembly comprising:
a body portion for receiving ink from one or more ink sources and having one or more channels formed therein for distributing the ink substantially along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, each integrated circuit having a plurality of nozzles, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which each integrated circuit is fixed and which distributes the ink from the body portion to each of the integrated circuits;
wherein the ink distribution member comprises a first layer which directs the ink from the one or more channels of the body portion for delivery to each integrated circuit, and a second layer attached to said first layer for receiving and securing each integrated circuit in a position to receive the ink from the first layer.

1196. The system according to claim 1170, wherein the print engine comprises an inkjet cartridge having a pagewidth printhead adapted for capping by a capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body and movable with respect to the body to cap at least a portion of said printhead ;
wherein, the body includes a mounting element for removably mounting said capping assembly to said printhead.

1197. The system according to claim 1170, wherein the print engine comprises an inkjet cartridge having a pagewidth printhead adapted for capping by a capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body, said capping element having a rim portion adapted to cap at least a portion of said printhead ;
wherein, the capping element is movable with respect to said body between a first and a second position, said first position being where said rim portion extends from said body, and said second position being where said rim portion is contained within said body.

1198. The system according to claim 1170, wherein the print engine comprises an inkjet cartridge having a pagewidth printhead adapted for capping by a capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body and movable with respect to said body between a first and a second position, said first position being where a portion of the capping element extends from said body, and said second position being where said capping element is contained within said body;
wherein, the capping element is biased into said first position.

1199. The system according to claim 1170, wherein the print engine comprises an inkjet cartridge having a pagewidth printhead adapted for capping by a capping assembly comprising:
a body configured to extend the length of the printhead;
a capping element housed within said body and having a rim portion adapted to cap at least a portion of the printhead;
a displacement assembly housed within the body for moving the capping element between a first position where the rim portion of the capping element extends from said body, and a second position where the rim portion of the capping element is contained within the body;
wherein, the displacement assembly is controlled by an electromagnet which determines the position.

1200. system according to claim 1170, wherein the print engine comprises an inkjet cartridge adapted for use with a cradle unit comprising:
a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply; and a controller for controlling the operation of the printhead to facilitate printing;
wherein, a plurality of terminals are located along the length of the body to contact corresponding terminals located along the length of the removable inkjet cartridge to enable electrical communication between the controller and the cartridge.

1201. The system according to claim 1170, wherein the print engine comprises an inkjet cartridge adapted for use with a cradle unit comprising:
a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply;
a controller for controlling the operation of the printhead to facilitate printing; and a plurality of terminals in electrical communication with said controller for transmitting control signals from said controller to corresponding terminals provided on said cartridge;
wherein said plurality of terminals are arranged to pivotally engage with said corresponding terminals provided on said cartridge when said cartridge is received by said body.

1202. The system according to claim 1170, wherein the print engine comprises an inkjet cartridge adapted for use with a cradle unit comprising:

a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead and a refillable ink supply; and a controller for controlling the operation of the printhead to facilitate printing;
wherein, said body includes a cover assembly for enclosing the removable inkjet cartridge within the body, said cover assembly having at least one port formed therein through which a refill unit is received for refilling the ink supply of the cartridge.

1203. The system according to claim 1170, wherein the print engine comprises an inkjet cartridge adapted for use with a cradle unit comprising:
a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead and a refillable ink supply; and a controller for controlling the operation of the printhead to facilitate printing;
wherein, said body is configured to receive a refill unit for supplying refill ink to the cartridge and includes a refill actuator for dispensing ink from said refill unit into said refillable ink supply.

1204. The system according to claim 1170, wherein the print engine comprises an inkjet cartridge adapted for use with a cradle unit comprising:
a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead, an ink supply and a capper assembly; and a controller for controlling the operation of the printhead to facilitate printing;
wherein, said body includes an electromagnet assembly mounted thereto which is controlled by said controller for operating said capper assembly of the removable inkjet cartridge.

1205. The system according to claim 1170, wherein the print engine comprises a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply, the removable cartridge being arranged for use with a cradle unit having a body complementary to the removable cartridge and a controller for controlling the operation of the printhead to facilitate printing, the cradle unit being adapted for covering by a cover assembly comprising at least one port formed therein through which a refill unit is received for refilling the ink supply of the cartridge.

1206. The system according to claim 1170, wherein the print engine comprises a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply, the removable cartridge being arranged for use with a cradle unit having a body complementary to the removable cartridge and a controller for controlling the operation of the printhead to facilitate printing, wherein the cradle unit is adapted for covering by a cover assembly comprising a refill actuator for dispensing ink from an ink refill unit into said refillable ink supply.

1207. The system according to claim 1170, wherein the print engine comprises a removable inkjet cartridge unit of a type having a pagewidth printhead and an ink supply, the removable cartridge unit being arranged for priming by an ink priming system comprising:
a priming inlet provided on said printhead assembly for receiving a supply of ink for priming the cartridge unit; and an ink flow passage providing fluid connection between said printhead assembly and one of the ink storage compartments;
wherein the ink supplied to the priming inlet of the printhead assembly flows from the printhead assembly to the ink storage compartment via the ink flow passage to prime both the printhead assembly and the ink storage compartment with ink simultaneously.

1208. The system according to claim 1170, wherein the print engine comprises a removable inkjet cartridge unit of a type having a pagewidth printhead and an ink supply, the removable cartridge unit being arranged for priming by an ink priming system comprising:
a priming inlet provided on said printhead assembly for receiving a supply of ink for priming the cartridge unit;
an ink flow passage providing fluid connection between said printhead assembly and one of the ink storage compartments; and a bypass flow passage providing additional fluid connection between the ink flow passage and the ink storage compartment;
wherein the ink supplied to the priming inlet of the printhead assembly flows from the printhead assembly to the ink storage compartment via the ink flow passage and the bypass flow passage to prime both the printhead assembly and the ink storage compartment with ink simultaneously.

1209. The system according to claim 1170, wherein the print engine comprises a removable inkjet cartridge adapted for refilling by the fluid refill unit, the unit being arranged for use with a printing fluid dispenser comprising:
a body storing printing fluid having an outlet through which the printing fluid is dispensed; and a selector arranged to select the amount of the printing fluid to be dispensed from the body.

1210. The system according to claim 1170, wherein the printing unit is arranged for refilling with a supply of printing fluid by way of a method comprising the steps of:
removably mounting a dispenser of printing fluid to the printing unit so as to align an outlet of the dispenser with an inlet of a printing fluid storage chamber of the printing unit;
determining an amount of printing fluid needed to substantially refill the printing fluid storage chamber; and selectively dispensing an amount of printing fluid from the dispenser corresponding to the determined amount.

1211. The system according to claim 1170, wherein the printing fluid refill unit is a printing fluid refill cartridge arranged for use with a dispensing assembly comprising:
a body for storing printing fluid having an outlet through which the printing fluid is dispensed; and a plunger arranged to selectively change the storage capacity of the body and expel the printing fluid through said outlet by selective engagement of a movable retaining member with a series of grooves arranged along a surface of the plunger, thereby dispensing a selected amount of printing fluid from the outlet.

1212. The system according to claim 1170, wherein the printing fluid refill unit comprises an information storage element for storing information on the amount of printing fluid contained in the refill unit and for connecting with an information reader incorporated in the print engine for reading the information stored by the storage element when the refill unit is mounted to the print engine, wherein the information stored by the storage element enables the reader to control the refilling of the print engine with the printing fluid contained in the refill unit.

1213. The system according to claim 1170, wherein the refill unit is arranged for refilling the printing unit, the refilling being controlled by a method comprising the steps of:
storing information on an amount of printing fluid contained in the refill cartridge in an information storage element incorporated therein;
mounting the refill cartridge to the printing unit;
reading the information on the amount of printing fluid with an information reader incorporated in the printing unit; and controlling the refilling of the printing unit with printing fluid contained in the refill cartridge based on the information read.

1214. The system according to claim 1170, wherein the print engine comprises a removable inkjet cartridge adapted for refilling by the fluid refill unit, the inkjet cartridge being associated with a printing fluid storage device comprising a porous body having a plurality of individual channels arranged in an array to store printing fluid and supply the stored printing fluid to at least one printing fluid ejecting nozzle of a printhead of a printer unit, wherein a first end of each of the channels is in fluid communication with a printing fluid supply to extract printing fluid from the fluid supply for storage therein under capillary action and the stored printing fluid is supplied to the at least one nozzle under capillary action.

1215. A printing fluid refill unit for a print engine, comprising an information storage element for storing information on the amount of printing fluid contained in the refill unit and for connecting with an information reader incorporated in the print engine for reading the information stored by the storage element when the refill unit is mounted to the print engine, wherein the information stored by the storage element enables the reader to control the refilling of the print engine with the printing fluid contained in the refill unit.

1216. A refill unit according to claim 1215, further comprising a selector for selecting an amount of the printing fluid to be dispensed by the refill unit, wherein the information stored by the storage element enables the reader to control the selector so as to dispense a selected amount of the printing fluid.

1217. A refill unit according to claim 1216, wherein the information storage element is updateable, the information on the amount of printing fluid contained in the refill unit being updated during and after refilling has been performed.

1218. A refill unit according to claim 1215, wherein the print engine comprises a printhead cartridge which is mountable to a cradle unit.

1219. A refill unit according to claim 1218, wherein the information reader incorporates a print engine controller of the print engine which is arranged to control the printing performed by the printhead, a connector of the information storage element being arranged to contact a connector of the print engine controller when the refill unit is mounted to the printer cartridge.

1220. A refill unit according to claim 1215, further comprising:
an outlet for engaging with a refill port of the print engine through which the printing fluid contained in the refill unit is dispensable; and a sensor for sensing the engagement of the outlet with the refill port.

1221. A refill unit according to claim 1218, wherein the printhead incorporates a pagewidth printhead arranged to print printing fluid across the width of sheets of print media.

1222. A refill unit according to claim 1218, wherein the printhead incorporates a pagewidth printhead arranged as a two-dimensional array of at least 50,000 printing nozzles for printing across the width of sheets of print media.

1223. A refill unit according to claim 1218, wherein the printhead incorporates an array of printing fluid ejecting nozzles configured as a pagewidth printhead arranged to print on sheets of print media by ejecting at least 1200 drops of printing fluid per inch across the width of the sheets.

1224. A refill unit according to claim 1218, wherein the printhead incorporates an array of printing fluid ejecting nozzles configured as a pagewidth printhead arranged to print on sheets of print media by ejecting drops of printing fluid across the width of the sheets with a drop ejection energy of less than about 250 nanojoules per drop.

1225. A refill unit according to claim 1218, wherein the printhead incorporates a pagewidth printhead arranged to print printing fluid across the width of sheets of print media at a rate of at least 60 sheets per minute.

1226. A refill unit according to claim 1218, wherein the printhead incorporates an array of printing fluid ejecting nozzles configured as a pagewidth printhead arranged to print on sheets of print media by ejecting drops of printing fluid across the width of the sheets at a rate of at least 500 million drops per second.

1227. The refill unit according to claim 1215, wherein the print engine is arranged for use in an inkjet printer unit comprising:
a media input tray for supplying print media for printing;
the print engine; and a media output tray for collecting the printed media;
wherein the print engine comprises a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply and a cradle having a body adapted to receive the removable inkjet cartridge and to control the operation of the printhead for printing.

1228. The refill unit according to claim 1215, wherein the print engine comprises:
a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply; and a cradle having a body adapted to receive the removable inkjet cartridge and to control the operation of the printhead for printing;
wherein the cradle is configured to be secured to the inkjet printer to receive print media from a media input tray and to deliver printed media to a media output tray.

1229. The refill unit according to claim 1215, wherein the print engine comprises a cartridge unit comprising:
a body portion having one or more ink storage compartments; and a pagewidth printhead assembly mountable to said body and configured to receive ink from the one or more compartments and to distribute the ink along the length of the printhead assembly.

1230. The refill unit according to claim 1215, wherein the print engine comprises an inkjet cartridge unit comprising:
a body portion having one or more ink storage compartments;
a pagewidth printhead assembly mountable to said body portion and configured to receive ink from the one or more compartments for printing; and a capper unit mountable to said body portion so as to extend along the length of the printhead assembly, the capper unit housing a capping element which is movable with respect to the capper unit to contact a surface of the printhead assembly.

1231. The refill unit according to claim 1215, wherein the print engine comprises an inkjet cartridge unit comprising:
a body portion housing one or more ink storage compartments;
a pagewidth printhead assembly configured to receive ink from the one or more ink storage compartments and having a plurality of nozzles arranged in use to deliver the ink onto passing print media;
and an electrical connector in electrical communication with the nozzles of the printhead assembly and disposed along the length of the printhead assembly for mating with a corresponding connectors of the inkjet printer to control operation of the nozzles.

1232. The refill unit according to claim 1215, wherein the print engine comprises a cartridge unit comprising:
a body portion having a plurality of ink storage compartments; and a pagewidth printhead assembly configured to receive ink from ink storage compartments and distribute said ink to a plurality of nozzles arranged in use to deliver the ink onto passing print media;
wherein the ink storage compartments comprise an absorption material which stores the ink therein under capillary action for supply to the nozzles of the printhead assembly.

1233. The refill unit according to claim 1215, wherein the print engine comprises an inkjet cartridge having a pagewidth printhead assembly comprising:
a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
a plurality of integrated circuits extending the length of the printhead assembly, each integrated circuit having a plurality of nozzles formed in rows thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which the integrated circuits are fixed and which distributes the ink from the body portion to the nozzles of the integrated circuits;
wherein the integrated circuits are aligned in an abutting arrangement across the length of the ink distribution member.

1234. The refill unit according to claim 1215, wherein the print engine comprises an inkjet cartridge having a pagewidth printhead assembly comprising:
a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles formed thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media;
an ink distribution member upon which the or each integrated circuit are fixed and which distributes the ink from the body portion to the nozzles of the or each integrated circuit;

wherein the body portion has one or more connectors formed thereon for securing the printhead assembly to the one or more ink sources to facilitate ink flow therebetween.

1235. The refill unit according to claim 1215, wherein the print engine comprises an inkjet cartridge having a pagewidth printhead assembly comprising:
a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles formed thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media;
an ink distribution member upon which the or each integrated circuit is fixed and which distributes the ink from the body portion to the nozzles of the or each integrated circuit;
wherein an electrical connector in electrical communication with the or each integrated circuit extends along the length of the printhead assembly for mating with a corresponding electrical connector of the inkjet printer.

1236. The refill unit according to claim 1215, wherein the print engine comprises an inkjet cartridge having a pagewidth printhead assembly comprising:
a body portion for receiving ink from one or more ink sources and having one or more channels formed therein for distributing the ink substantially along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which the or each integrated circuit is fixed and which distributes the ink from the body portion to each of the integrated circuits;
wherein the ink distribution member is a unitary element having a plurality of conduits formed therethrough, each of the conduits having an inlet which receives ink from one of the channels of the body portion and an outlet which delivers the ink to a predetermined number of nozzles of the one or more integrated circuits.

1237. The refill unit according to claim 1215, wherein the print engine comprises an inkjet cartridge having a pagewidth printhead assembly comprising:
a body portion for receiving ink from one or more ink sources and having one or more channels formed therein for distributing the ink substantially along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, each integrated circuit having a plurality of nozzles, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which each integrated circuit is fixed and which distributes the ink from the body portion to each of the integrated circuits;

wherein the ink distribution member comprises a first layer which directs the ink from the one or more channels of the body portion for delivery to each integrated circuit, and a second layer attached to said first layer for receiving and securing each integrated circuit in a position to receive the ink from the first layer.
1238. The refill unit according to claim 1215, wherein the print engine comprises an inkjet cartridge having a pagewidth printhead adapted for capping by a capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body and movable with respect to the body to cap at least a portion of said printhead ;
wherein, the body includes a mounting element for removably mounting said capping assembly to said printhead.
1239. The refill unit according to claim 1215, wherein the print engine comprises an inkjet cartridge having a pagewidth printhead adapted for capping by a capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body, said capping element having a rim portion adapted to cap at least a portion of said printhead ;
wherein, the capping element is movable with respect to said body between a first and a second position, said first position being where said rim portion extends from said body, and said second position being where said rim portion is contained within said body.
1240. The refill unit according to claim 1215, wherein the print engine comprises an inkjet cartridge having a pagewidth printhead adapted for capping by a capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body and movable with respect to said body between a first and a second position, said first position being where a portion of the capping element extends from said body, and said second position being where said capping element is contained within said body;
wherein, the capping element is biased into said first position.
1241. The refill unit according to claim 121s, wherein the print engine comprises an inkjet cartridge having a pagewidth printhead adapted for capping by a capping assembly comprising:
a body configured to extend the length of the printhead;
a capping element housed within said body and having a rim portion adapted to cap at least a portion of the printhead;
a displacement assembly housed within the body for moving the capping element between a first position where the rim portion of the capping element extends from said body, and a second position where the rim portion of the capping element is contained within the body;
wherein, the displacement assembly is controlled by an electromagnet which determines the position.

1242. The refill unit according to claim 1215, wherein the print engine comprises an inkjet cartridge adapted for use with a cradle unit comprising:
a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply; and a controller for controlling the operation of the printhead to facilitate printing;
wherein, a plurality of terminals are located along the length of the body to contact corresponding terminals located along the length of the removable inkjet cartridge to enable electrical communication between the controller and the cartridge.
1243. The refill unit according to claim 1215, wherein the print engine comprises an inkjet cartridge adapted for use with a cradle unit comprising:
a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply;
a controller for controlling the operation of the printhead to facilitate printing; and a plurality of terminals in electrical communication with said controller for transmitting control signals from said controller to corresponding terminals provided on said cartridge;
wherein said plurality of terminals are arranged to pivotally engage with said corresponding terminals provided on said cartridge when said cartridge is received by said body.
1244. The refill unit according to claim 1215, wherein the print engine comprises an inkjet cartridge adapted for use with a cradle unit comprising:
a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead and a refillable ink supply; and a controller for controlling the operation of the printhead to facilitate printing;
wherein, said body includes a cover assembly for enclosing the removable inkjet cartridge within the body, said cover assembly having at least one port formed therein through which a refill unit is received for refilling the ink supply of the cartridge.
1245. The refill unit according to claim 1215, wherein the print engine comprises an inkjet cartridge adapted for use with a cradle unit comprising:
a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead and a refillable ink supply; and a controller for controlling the operation of the printhead to facilitate printing;
wherein, said body is configured to receive a refill unit for supplying refill ink to the cartridge and includes a refill actuator for dispensing ink from said refill unit into said refillable ink supply.
1246. The refill unit according to claim 1215, wherein the print engine comprises an inkjet cartridge adapted for use with a cradle unit comprising:

a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead, an ink supply and a capper assembly; and a controller for controlling the operation of the printhead to facilitate printing;
wherein, said body includes an electromagnet assembly mounted thereto which is controlled by said controller for operating said capper assembly of the removable inkjet cartridge.

1247. The refill unit according to claim 1215, wherein the print engine comprises a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply, the removable cartridge being arranged for use with a cradle unit having a body complementary to the removable cartridge and a controller for controlling the operation of the printhead to facilitate printing, the cradle unit being adapted for covering by a cover assembly comprising at least one port formed therein through which a refill unit is received for refilling the ink supply of the cartridge.

1248. The refill unit according to claim 1215, wherein the print engine comprises a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply, the removable cartridge being arranged for use with a cradle unit having a body complementary to the removable cartridge and a controller for controlling the operation of the printhead to facilitate printing, wherein the cradle unit is adapted for covering by a cover assembly comprising a refill actuator for dispensing ink from an ink refill unit into said refillable ink supply.

1249. The refill unit according to claim 1215, wherein the print engine comprises a removable inkjet cartridge unit of a type having a pagewidth printhead and an ink supply, the removable cartridge unit being arranged for priming by an ink priming system comprising:
a priming inlet provided on said printhead assembly for receiving a supply of ink for priming the cartridge unit; and an ink flow passage providing fluid connection between said printhead assembly and one of the ink storage compartments;
wherein the ink supplied to the priming inlet of the printhead assembly flows from the printhead assembly to the ink storage compartment via the ink flow passage to prime both the printhead assembly and the ink storage compartment with ink simultaneously.

1250. The refill unit according to claim 1215, wherein the print engine comprises a removable inkjet cartridge unit of a type having a pagewidth printhead and an ink supply, the removable cartridge unit being arranged for priming by an ink priming system comprising:
a priming inlet provided on said printhead assembly for receiving a supply of ink for priming the cartridge unit;
an ink flow passage providing fluid connection between said printhead assembly and one of the ink storage compartments; and a bypass flow passage providing additional fluid connection between the ink flow passage and the ink storage compartment;
wherein the ink supplied to the priming inlet of the printhead assembly flows from the printhead assembly to the ink storage compartment via the ink flow passage and the bypass flow passage to prime both the printhead assembly and the ink storage compartment with ink simultaneously.
1251. The refill unit according to claim 1215, wherein the print engine comprises a removable inkjet cartridge adapted for refilling by the fluid refill unit, the unit being arranged for use with a printing fluid dispenser comprising:
a body storing printing fluid having an outlet through which the printing fluid is dispensed; and a selector arranged to select the amount of the printing fluid to be dispensed from the body.
1252. The refill unit according to claim 1215, wherein the print engine is arranged for refilling by the refill unit via a method comprising the steps of:
removably mounting a dispenser of printing fluid to the printing unit so as to align an outlet of the dispenser with an inlet of a printing fluid storage chamber of the printing unit;
determining an amount of printing fluid needed to substantially refill the printing fluid storage chamber; and selectively dispensing an amount of printing fluid from the dispenser corresponding to the determined amount.
1253. The refill unit according to claim 1215, wherein the printing fluid refill unit is a printing fluid refill cartridge arranged for use with a dispensing assembly comprising:
a body for storing printing fluid having an outlet through which the printing fluid is dispensed; and a plunger arranged to selectively change the storage capacity of the body and expel the printing fluid through said outlet by selective engagement of a movable retaining member with a series of grooves arranged along a surface of the plunger, thereby dispensing a selected amount of printing fluid from the outlet.
1254. The refill unit according to claim 1215, wherein the print engine is refilled by the refill unit and the refilling is controlled by a system, comprising:
an information storage element incorporated in the refill unit for storing information on the amount of printing fluid contained in the refill unit; and an information reader incorporated in the print engine for reading the information stored by the storage element when the refill unit is mounted to the print engine and for controlling the refilling of the print engine with the printing fluid contained in the refill unit based on the information read.
1255. The refill unit according to claim 1215, wherein the refill unit is arranged for refilling the print engine, the refilling being controlled by a method comprising the steps of:

storing information on an amount of printing fluid contained in the refill cartridge in an information storage element incorporated therein;
mounting the refill cartridge to the printing unit;
reading the information on the amount of printing fluid with an information reader incorporated in the printing unit; and controlling the refilling of the printing unit with printing fluid contained in the refill cartridge based on the information read.
1256. The refill unit according to claim 1215, wherein the print engine comprises an inkjet cartridge having a printing fluid storage device comprising a porous body having a plurality of individual channels arranged in an array to store printing fluid and supply the stored printing fluid to at least one printing fluid ejecting nozzle of a printhead of a printer unit, wherein a first end of each of the channels is in fluid communication with a printing fluid supply to extract printing fluid from the fluid supply for storage therein under capillary action and the stored printing fluid is supplied to the at least one nozzle under capillary action.
1257. A method of controlling refilling of a printing unit by a printing fluid refill cartridge, comprising the steps of:
storing information on an amount of printing fluid contained in the refill cartridge in an information storage element incorporated therein;
mounting the refill cartridge to the printing unit;
reading the information on the amount of printing fluid with an information reader incorporated in the printing unit; and controlling the refilling of the printing unit with printing fluid contained in the refill cartridge based on the information read.
1258. A method according to claim 1257, wherein:
the mounting step comprises engaging a refill port of a printing fluid storage chamber of the printing unit with an outlet of the refill cartridge through which the printing fluid contained in the refill cartridge is dispensable; and the reading step comprises reading information on the level of printing fluid contained in the chamber; and the controlling step comprises dispensing discrete amounts of the printing fluid through the outlet of the refill cartridge until it is determined in the reading step that the chamber is substantially full or until the refill cartridge has been depleted.
1259. A method according to claim 1257, wherein:

the mounting step comprises engaging a refill port of a printing fluid storage chamber of the printing unit with an outlet of the refill cartridge through which the printing fluid contained in the refill cartridge is dispensable; and the controlling step comprises continuously monitoring the level of printing fluid contained in the chamber and dispensing the printing fluid through the outlet of the refill cartridge until the chamber is substantially fill or until the refill cartridge has been depleted.
1260. A method according to claim 1257, wherein:
the mounting step comprises securing the refill cartridge to the printing unit with a securing arrangement; and the controlling step comprises checking whether the securing step has been performed before refilling is performed.
1261. A method according to claim 1257, wherein the controlling step comprises updating the information on the amount of printing fluid contained in the refill cartridge as stored in the information storage element during and after refilling has been performed.
1262. The method according to claim 1257 wherein the printing unit is an inkjet printer comprising:
a media input tray for supplying print media for printing;
a print engine for printing an image on said print media; and a media output tray for collecting the printed media;
wherein the print engine comprises a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply and a cradle having a body adapted to receive the removable inkjet cartridge and to control the operation of the printhead for printing.
1263. The method according to claim 1257 wherein the printing unit comprises a print engine comprising:
a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply; and a cradle having a body adapted to receive the removable inkjet cartridge and to control the operation of the printhead for printing;
wherein the cradle is configured to be secured to the inkjet printer to receive print media from a media input tray and to deliver printed media to a media output tray.
1264. The method according to claim 1257 wherein the printing unit comprises an inkjet cartridge unit comprising:
a body portion having one or more ink storage compartments; and a pagewidth printhead assembly mountable to said body and configured to receive ink from the one or more compartments and to distribute the ink along the length of the printhead assembly.

1265. The method according to claim 1257 wherein the printing unit comprises an inkjet cartridge unit comprising:
a body portion having one or more ink storage compartments;
a pagewidth printhead assembly mountable to said body portion and configured to receive ink from the one or more compartments for printing; and a capper unit mountable to said body portion so as to extend along the length of the printhead assembly, the capper unit housing a capping element which is movable with respect to the capper unit to contact a surface of the printhead assembly.
1266. The method according to claim 1257 wherein the printing unit comprises an inkjet cartridge unit comprising:
a body portion housing one or more ink storage compartments;
a pagewidth printhead assembly configured to receive ink from the one or more ink storage compartments and having a plurality of nozzles arranged in use to deliver the ink onto passing print media;
and an electrical connector in electrical communication with the nozzles of the printhead assembly and disposed along the length of the printhead assembly for mating with a corresponding connectors of the inkjet printer to control operation of the nozzles.
1267. The method according to claim 1257 wherein the printing unit comprises an inkjet cartridge unit comprising:
a body portion having a plurality of ink storage compartments; and a pagewidth printhead assembly configured to receive ink from ink storage compartments and distribute said ink to a plurality of nozzles arranged in use to deliver the ink onto passing print media;
wherein the ink storage compartments comprise an absorption material which stores the ink therein under capillary action for supply to the nozzles of the printhead assembly.
1268. The method according to claim 1257 wherein the printing unit comprises a pagewidth printhead assembly comprising:
a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
a plurality of integrated circuits extending the length of the printhead assembly, each integrated circuit having a plurality of nozzles formed in rows thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which the integrated circuits are fixed and which distributes the ink from the body portion to the nozzles of the integrated circuits;
wherein the integrated circuits are aligned in an abutting arrangement across the length of the ink distribution member.

1269. The method according to claim 1257 wherein the printing unit comprises a pagewidth printhead assembly comprising:
a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles formed thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media;
an ink distribution member upon which the or each integrated circuit are fixed and which distributes the ink from the body portion to the nozzles of the or each integrated circuit;
wherein the body portion has one or more connectors formed thereon for securing the printhead assembly to the one or more ink sources to facilitate ink flow therebetween.
1270. The method according to claim 1257 wherein the printing unit comprises a pagewidth printhead assembly comprising:
a body portion for receiving role from one or more ink sources and distributing the ink along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles formed thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media;
an ink distribution member upon which the or each integrated circuit is fixed and which distributes the ink from the body portion to the nozzles of the or each integrated circuit;
wherein an electrical connector in electrical communication with the or each integrated circuit extends along the length of the printhead assembly for mating with a corresponding electrical connector of the inkjet printer.
1271. The method according to claim 1257 wherein the printing unit comprises a pagewidth printhead assembly comprising:
a body portion for receiving ink from one or more ink sources and having one or more channels formed therein for distributing the ink substantially along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which the or each integrated circuit is fixed and which distributes the ink from the body portion to each of the integrated circuits;
wherein the ink distribution member is a unitary element having a plurality of conduits formed therethrough, each of the conduits having an inlet which receives ink from one of the channels of the body portion and an outlet which delivers the ink to a predetermined number of nozzles of the one or more integrated circuits.

1272. The method according to claim 1257 wherein the printing unit comprises a pagewidth printhead assembly comprising:
a body portion for receiving ink from one or more ink sources and having one or more channels formed therein for distributing the ink substantially along the length of the printhead assembly;
one or more integrated circuits extending substantially the length of the printhead assembly, each integrated circuit having a plurality of nozzles, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which each integrated circuit is fixed and which distributes the ink from the body portion to each of the integrated circuits;
wherein the ink distribution member comprises a first layer which directs the ink from the one or more channels of the body portion for delivery to each integrated circuit, and a second layer attached to said first layer for receiving and securing each integrated circuit in a position to receive the ink from the first layer.
1273. The method according to claim 1257 wherein the printing unit comprises a pagewidth printhead and a capping assembly for capping the pagewidth printhead, the capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body and movable with respect to the body to cap at least a portion of said printhead ;
wherein, the body comprises a mounting element for removably mounting said capping assembly to said printhead.
1274. The method according to claim 1257 wherein the printing unit comprises a pagewidth printhead and a capping assembly for capping the pagewidth printhead, the capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body, said capping element having a rim portion adapted to cap at least a portion of said printhead ;
wherein, the capping element is movable with respect to said body between a first and a second position, said first position being where said rim portion extends from said body, and said second position being where said rim portion is contained within said body.
1275. The method according to claim 1257 wherein the printing unit comprises a pagewidth printhead and a capping assembly for capping the pagewidth printhead, the capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body and movable with respect to said body between a first and a second position, said first position being where a portion of the capping element extends from said body, and said second position being where said capping element is contained within said body;
wherein, the capping element is biased into said first position.

1276. The method according to claim 1257 wherein the printing unit comprises a pagewidth printhead and a capping assembly for capping the pagewidth printhead, the capping assembly comprising:
a body configured to extend the length of the printhead;
a capping element housed within said body and having a rim portion adapted to cap at least a portion of the printhead;
a displacement assembly housed within the body for moving the capping element between a first position where the rim portion of the capping element extends from said body, and a second position where the rim portion of the capping element is contained within the body;
wherein, the displacement assembly is controlled by an electromagnet which determines the position.
1277. The method according to claim 1257 wherein the printing unit comprises a cradle unit comprising:
a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply; and a controller for controlling the operation of the printhead to facilitate printing;
wherein, a plurality of terminals are located along the length of the body to contact corresponding terminals located along the length of the removable inkjet cartridge to enable electrical communication between the controller and the cartridge.
1278. The method according to claim 1257 wherein the printing unit comprises a cradle unit comprising:
a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply;
a controller for controlling the operation of the printhead to facilitate printing; and a plurality of terminals in electrical communication with said controller for transmitting control signals from said controller to corresponding terminals provided on said cartridge;
wherein said plurality of terminals are arranged to pivotally engage with said corresponding terminals provided on said cartridge when said cartridge is received by said body.
1279. The method according to claim 1257 wherein the printing unit comprises a cradle unit comprising:
a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead and a refillable ink supply; and a controller for controlling the operation of the printhead to facilitate printing;
wherein, said body comprises a cover assembly for enclosing the removable inkjet cartridge within the body, said cover assembly having at least one port formed therein through which a refill unit is received for refilling the ink supply of the cartridge.
1280. The method according to claim 1257 wherein the printing unit comprises a cradle unit comprising:
a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead and a refillable ink supply; and a controller for controlling the operation of the printhead to facilitate printing;

wherein, said body is configured to receive a refill unit for supplying refill ink to the cartridge and comprises a refill actuator for dispensing ink from said refill unit into said refillable ink supply.

1281. The method according to claim 1257 wherein the printing unit comprises a cradle unit comprising:

a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead, an ink supply and a capper assembly; and a controller for controlling the operation of the printhead to facilitate printing;

wherein, said body comprises an electromagnet assembly mounted thereto which is controlled by said controller for operating said capper assembly of the removable inkjet cartridge.

1282. The method according to claim 1257 wherein the printing unit comprises a cradle unit having a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply, and a controller for controlling the operation of the printhead to facilitate printing, the printing unit also comprising a cover assembly for the cradle unit, wherein the cover assembly comprises at least one port formed therein through which a refill unit is received for refilling the ink supply of the cartridge.

1283. The method according to claim 1257 wherein the printing unit comprises a cradle unit having a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply and a controller for controlling the operation of the printhead to facilitate printing, the printing unit also comprising a cover assembly for the cradle unit, wherein the cover assembly comprises a refill actuator for dispensing ink from an ink refill unit into said refillable ink supply.

1284. The method according to claim 1257 wherein the printing unit comprises a cartridge unit of the type having a pagewidth printhead assembly in fluid communication with one or more ink storage compartments, and an ink priming system for the cartridge unit, the priming system comprising:

a priming inlet provided on said printhead assembly for receiving a supply of ink for priming the cartridge unit; and an ink flow passage providing fluid connection between said printhead assembly and one of the ink storage compartments;

wherein the ink supplied to the priming inlet of the printhead assembly flows from the printhead assembly to the ink storage compartment via the ink flow passage to prime both the printhead assembly and the ink storage compartment with ink simultaneously.

1285. The method according to claim 1257 wherein the printing unit comprises a cartridge unit of the type having a pagewidth printhead assembly in fluid communication with one or more ink storage compartments, and an ink priming system for the cartridge unit, the priming system comprising:

a priming inlet provided on said printhead assembly for receiving a supply of ink for priming the cartridge unit;

an ink flow passage providing fluid connection between said printhead assembly and one of the ink storage compartments; and a bypass flow passage providing additional fluid connection between the ink flow passage and the ink storage compartment;

wherein the ink supplied to the priming inlet of the printhead assembly flows from. the printhead assembly to the ink storage compartment via the ink flow passage and the bypass flow passage to prime both the printhead assembly and the ink storage compartment with ink simultaneously.

1286. The method according to claim 1257 wherein the refill cartridge is arranged for use with a printing fluid dispenser comprising:

a body storing printing fluid having an outlet through which the printing fluid is dispensed; and a selector arranged to select the amount of the printing fluid to be dispensed from the body.

1287. The method according to claim 1257 wherein the refilling of the supply of printing fluid in the printing unit is performed by a method comprising the steps of:

removably mounting a dispenser of printing fluid to the printing unit so as to align an outlet of the dispenser with an inlet of a printing fluid storage chamber of the printing unit;

determining an amount of printing fluid needed to substantially refill the printing fluid storage chamber; and selectively dispensing an amount of printing fluid from the dispenser corresponding to the determined amount.

1288. The method according to claim 1257 wherein the refill cartridge is arranged for use with a dispensing assembly comprising:

a body for storing printing fluid having an outlet through which the printing fluid is dispensed; and a plunger arranged to selectively change the storage capacity of the body and expel the printing fluid through said outlet by selective engagement of a movable retaining member with a series of grooves arranged along a surface of the plunger, thereby dispensing a selected amount of printing fluid from the outlet.

1289. The method according to claim 1257 wherein the method is related to refilling of a print engine in the print unit from the refill unit and is associate with a system for controlling the refilling, the system comprising:

an information storage element incorporated in the refill unit for storing information on the amount of printing fluid contained in the refill unit; and an information reader incorporated in the print engine for reading the information stored by the storage element when the refill unit is mounted to the print engine and for controlling the refilling of the print engine with the printing fluid contained in the refill unit based on the information read.

1290. The method according to claim 1257 wherein the refill cartridge is printing fluid refill unit comprising an information storage element for storing information on the amount of printing fluid contained in the refill unit and for connecting with an information reader incorporated in the print engine for reading the information stored by the storage element when the refill unit is mounted to the print engine, wherein the information stored by the storage element enables the reader to control the refilling of the print engine with the printing fluid contained in the refill unit.

1291. The method according to claim 1257 wherein the printing unit comprises a removable inkjet cartridge associated with a printing fluid storage device comprising a porous body having a plurality of individual channels arranged in an array to store printing fluid and supply the stored printing fluid to at least one printing fluid ejecting nozzle of a printhead of a printer unit, wherein a first end of each of the channels is in fluid communication with a printing fluid supply to extract printing fluid from the fluid supply for storage therein under capillary action and the stored printing fluid is supplied to the at least one nozzle under capillary action.

1292. A printing fluid storage device comprising a porous body having a plurality of individual channels arranged in an array to store printing fluid and supply the stored printing fluid to at least one printing fluid ejecting nozzle of a printhead of a printer unit, wherein a first end of each of the channels is in fluid communication with a printing fluid supply to extract printing fluid from the fluid supply for storage therein under capillary action and the stored printing fluid is supplied to the at least one nozzle under capillary action.

1293. A printing fluid storage device according to claim 1292, wherein at least some of the plurality of channels are arranged in an ordered array in the porous body.

1294. A printing fluid storage device according to claim 1292, wherein the printing fluid supply is incorporated in the printer unit.

1295. A printing fluid storage device according to claim 1292, wherein the printing fluid supply is detachable from the printer unit.

1296. A printing fluid storage device according to claim 1292, further comprising a printing fluid trapping layer arranged between the first end of each of the channels and the printing fluid supply so as to trap printing fluid from the printing fluid supply for extraction to the channels.

1297. A printing fluid storage device according to claim 1296, wherein the trapping layer is also arranged between the first end of each of the channels and the at least one nozzle.

1298. A printing fluid storage device according to claim 1296, wherein the trapping layer incorporates porous foam or sponge material.

1299. A printing fluid storage device according to claim 1292, wherein each channel has substantially rigid walls continuously connecting the first and second ends thereof.

1300. A printing fluid storage device according to claim 1292, wherein each channel has a diameter of about micrometres or less.

1301. A printing fluid storage device according to claim 1292, wherein the porous body is formed of a polymer selected from the group consisting of polycarbonate, acrylic, polysulfone, polystyrene, fluoropolymer, cyclic olefin polymer and cyclic olefin copolymer.

1302. A printing fluid storage device according to claim 1292, wherein the surroundings to which the second end of each of the channels is open is substantially filled with air.

1303. A printing fluid storage device according to claim 1292, wherein the printing fluid is ink.

1304. A printing fluid storage device according to claim 1292, wherein the printhead incorporates a pagewidth printhead arranged to print printing fluid across the width of sheets of print media.

1305. A printing fluid storage device according to claim 1292, wherein the printhead incorporates a pagewidth printhead arranged as a two-dimensional array of at least 50,000 nozzles for printing across the width of sheets of print media.

1306. A printing fluid storage device according to claim 1292, wherein the printhead incorporates an array of the nozzles configured as a pagewidth printhead arranged to print on sheets of print media by ejecting at least 1200 drops of printing fluid per inch across the width of the sheets.

1307. A printing fluid storage device according to claim 1292, wherein the printhead incorporates an array of the nozzles configured as a pagewidth printhead arranged to print on sheets of print media by ejecting drops of printing fluid across the width of the sheets with a drop ejection energy of less than about 250 nanojoules per drop.

1308. A printing fluid storage device according to claim 1292, wherein the printhead incorporates a pagewidth printhead arranged to print printing fluid across the width of sheets of print media at a rate of at least 60 sheets per minute.

1309. A printing fluid storage device according to claim 1292, wherein the printhead incorporates an array of the nozzles configured as a pagewidth printhead arranged to print on sheets of print media by ejecting drops of printing fluid across the width of the sheets at a rate of at least 500 million drops per second.

1310. The storage device according to claim 1292, wherein the printer unit is an inkjet printer unit comprising:

a media input tray for supplying print media for printing;

a print engine for printing an image on said print media; and a media output tray for collecting the printed media;

wherein the print engine comprises a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply and a cradle having a body adapted to receive the removable inkjet cartridge and to control the operation of the printhead for printing.

1311. The storage device according to claim 1292 arranged for use in a print engine for an inkjet printer comprising:

a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply; and a cradle having a body adapted to receive the removable inkjet cartridge and to control the operation of the printhead for printing;

wherein the cradle is configured to be secured to the inkjet printer to receive print media from a media input tray and to deliver printed media to a media output tray.

1312. The storage device according to claim 1292 arranged for use in a cartridge unit for an inkjet printer comprising:

a body portion having one or more ink storage compartments; and a pagewidth printhead assembly mountable to said body and configured to receive ink from the one or more compartments and to distribute the ink along the length of the printhead assembly.

1313. The storage device according to claim 1292, the device being arranged for use in a cartridge unit comprising:

a body portion having one or more ink storage compartments;

a pagewidth printhead assembly mountable to said body portion and configured to receive ink from the one or more compartments for printing; and a capper unit mountable to said body portion so as to extend along the length of the printhead assembly, the capper unit housing a capping element which is movable with respect to the capper unit to contact a surface of the printhead assembly.

1314. The storage device according to claim 1292, the device being arranged for use in a cartridge unit comprising:

a body portion housing one or more ink storage compartments;

a pagewidth printhead assembly configured to receive ink from the one or more ink storage compartments and having a plurality of nozzles arranged in use to deliver the ink onto passing print media;
and an electrical connector in electrical communication with the nozzles of the printhead assembly and disposed along the length of the printhead assembly for mating with a corresponding connectors of the inkjet printer to control operation of the nozzles.

1315. The storage device according to claim 1292, the device being arranged for use in a cartridge unit:

a body portion having a plurality of ink storage compartments; and a pagewidth printhead assembly configured to receive ink from ink storage compartments and distribute said ink to a plurality of nozzles arranged in use to deliver the ink onto passing print media;

wherein the ink storage compartments comprise an absorption material which stores the ink therein under capillary action for supply to the nozzles of the printhead assembly.

1316. The storage device according to claim 1292, the device being arranged for use in a cartridge having a pagewidth printhead assembly comprising:

a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;

a plurality of integrated circuits extending the length of the printhead assembly, each integrated circuit having a plurality of nozzles formed in rows thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which the integrated circuits are fixed and which distributes the ink from the body portion to the nozzles of the integrated circuits;

wherein the integrated circuits are aligned in an abutting arrangement across the length of the ink distribution member.

1317. The storage device according to claim 1292, the device being arranged for use in a removable inkjet cartridge having a pagewidth printhead assembly comprising:

a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;

one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles formed thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which the or each integrated circuit are fixed and which distributes the ink from the body portion to the nozzles of the or each integrated circuit;

wherein the body portion has one or more connectors formed thereon for securing the printhead assembly to the one or more ink sources to facilitate ink flow therebetween.

1318. The storage device according to claim 1292, the device being arranged for use in a removable inkjet cartridge having a pagewidth printhead assembly comprising:

a body portion for receiving ink from one or more ink sources and distributing the ink along the length of the printhead assembly;

one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles formed thereon, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which the or each integrated circuit is fixed and which distributes the ink from the body portion to the nozzles of the or each integrated circuit;

wherein an electrical connector in electrical communication with the or each integrated circuit extends along the length of the printhead assembly for mating with a corresponding electrical connector of the inkjet printer.

1319. The storage device according to claim 1292, the device being arranged for use in a removable inkjet cartridge having a pagewidth printhead assembly comprising:

a body portion for receiving ink from one or more ink sources and having one or more channels formed therein for distributing the ink substantially along the length of the printhead assembly;

one or more integrated circuits extending substantially the length of the printhead assembly, the or each integrated circuit having a plurality of nozzles, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which the or each integrated circuit is fixed and which distributes the ink from the body portion to each of the integrated circuits;

wherein the ink distribution member is a unitary element having a plurality of conduits formed therethrough, each of the conduits having an inlet which receives ink from one of the channels of the body portion and an outlet which delivers the ink to a predetermined number of nozzles of the one or more integrated circuits.

1320. The storage device according to claim 1292, the device being arranged for use in a removable inkjet cartridge having a pagewidth printhead assembly comprising:

a body portion for receiving ink from one or more ink sources and having one or more channels formed therein for distributing the ink substantially along the length of the printhead assembly;

one or more integrated circuits extending substantially the length of the printhead assembly, each integrated circuit having a plurality of nozzles, each of the nozzles being arranged in use to deliver the ink onto passing print media; and an ink distribution member upon which each integrated circuit is fixed and which distributes the ink from the body portion to each of the integrated circuits;

wherein the ink distribution member comprises a first layer which directs the ink from the one or more channels of the body portion for delivery to each integrated circuit, and a second layer attached to said first layer for receiving and securing each integrated circuit in a position to receive the ink from the first layer.

1321. The storage device according to claim 1292, the device being arranged for use in cartridge having a pagewidth printhead and a capping assembly for capping the printhead, the capping assembly comprising:

a body configured to extend the length of the printhead; and a capping element housed within said body and movable with respect to the body to cap at least a portion of said printhead ;

wherein, the body includes a mounting element for removably mounting said capping assembly to said printhead.

1322. The storage device according to claim 1292, the device being arranged for use in cartridge having a pagewidth printhead and a capping assembly for capping the printhead, the capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body, said capping element having a rim portion adapted to cap at least a portion of said printhead ;

wherein, the capping element is movable with respect to said body between a first and a second position, said first position being where said rim portion extends from said body, and said second position being where said rim portion is contained within said body.

1323. The storage device according to claim 1292, the device being arranged for use in cartridge having a pagewidth printhead and a capping assembly for capping the printhead, the capping assembly comprising:
a body configured to extend the length of the printhead; and a capping element housed within said body and movable with respect to said body between a first and a second position, said first position being where a portion of the capping element extends from said body, and said second position being where said capping element is contained within said body;

wherein, the capping element is biased into said first position.

1324. The storage device according to claim 1292, the device being arranged for use in cartridge having a pagewidth printhead and a capping assembly for capping the printhead, the capping assembly comprising:

a body configured to extend the length of the printhead;

a capping element housed within said body and having a rim portion adapted to cap at least a portion of the printhead;

a displacement assembly housed within the body for moving the capping element between a first position where the rim portion of the capping element extends from said body, and a second position where the rim portion of the capping element is contained within the body;

wherein, the displacement assembly is controlled by an electromagnet which determines the position.
1325. The storage device according to claim 1292, wherein the printer unit comprises a cradle unit comprising:

a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply; and a controller for controlling the operation of the printhead to facilitate printing;

wherein, a plurality of terminals are located along the length of the body to contact corresponding terminals located along the length of the removable inkjet cartridge to enable electrical communication between the controller and the cartridge.

1326. The storage device according to claim 1292, wherein the printer unit comprises a cradle unit comprising:

a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply;

a controller for controlling the operation of the printhead to facilitate printing; and a plurality of terminals in electrical communication with said controller for transmitting control signals from said controller to corresponding terminals provided on said cartridge;

wherein said plurality of terminals are arranged to pivotally engage with said corresponding terminals provided on said cartridge when said cartridge is received by said body.

1327. The storage device according to claim 1292, wherein the printer unit comprises a cradle unit comprising:

a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead and a refillable ink supply; and a controller for controlling the operation of the printhead to facilitate printing;

wherein, said body includes a cover assembly for enclosing the removable inkjet cartridge within the body, said cover assembly having at least one port formed therein through which a refill unit is received for refilling the ink supply of the cartridge.

1328. The storage device according to claim 1292, wherein the printer unit comprises a cradle unit comprising:

a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead and a refillable ink supply; and a controller for controlling the operation of the printhead to facilitate printing;

wherein, said body is configured to receive a refill unit for supplying refill ink to the cartridge and includes a refill actuator for dispensing ink from said refill unit into said refillable ink supply.

1329. The storage device according to claim 1292, wherein the printer unit comprises a cradle unit comprising:

a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead, an ink supply and a capper assembly; and a controller for controlling the operation of the printhead to facilitate printing;

wherein, said body includes an electromagnet assembly mounted thereto which is controlled by said controller for operating said capper assembly of the removable inkjet cartridge.

1330. The storage device according to claim 1292, wherein the printer unit comprises a cradle unit having a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply, and a controller for controlling the operation of the printhead to facilitate printing; the cradle unit being arranged to be covered by a cover assembly comprising:

at least one port formed therein through which a refill unit is received for refilling the ink supply of the cartridge.

1331. The storage device according to claim 1292, wherein the printer unit comprises a cradle unit having a body complementary to a removable inkjet cartridge of a type having a pagewidth printhead and an ink supply, and a controller for controlling the operation of the printhead to facilitate printing; the cradle unit being arranged to be covered by a cover assembly comprising:

a refill actuator for dispensing ink from an ink refill unit into said refillable ink supply.

1332. The storage device according to claim 1292, the device being arranged for use in a cartridge unit of the type having a pagewidth printhead assembly in fluid communication with one or more ink storage compartments, the cartridge being arranged for priming by way of an ink priming system comprising:

a priming inlet provided on said printhead assembly for receiving a supply of ink for priming the cartridge unit; and an ink flow passage providing fluid connection between said printhead assembly and one of the ink storage compartments;

wherein the ink supplied to the priming inlet of the printhead assembly flows from the printhead assembly to the ink storage compartment via the ink flow passage to prime both the printhead assembly and the ink storage compartment with ink simultaneously.

1333. The storage device according to claim 1292, the device being arranged for use in a cartridge unit of the type having a pagewidth printhead assembly in fluid communication with one or more ink storage compartments, the cartridge being arranged for priming by way of an ink priming system comprising:

a priming inlet provided on said printhead assembly for receiving a supply of ink for priming the cartridge unit;

an ink flow passage providing fluid connection between said printhead assembly and one of the ink storage compartments; and a bypass flow passage providing additional fluid connection between the ink flow passage and the ink storage compartment;

wherein the ink supplied to the priming inlet of the printhead assembly flows from the printhead assembly to the ink storage compartment via the ink flow passage and the bypass flow passage to prime both the printhead assembly and the ink storage compartment with ink simultaneously.

1334. The storage device according to claim 1292, the device being arranged for use in a cartridge unit of the type having a pagewidth printhead assembly in fluid communication with one or more ink storage compartments, the cartridge being arranged for refilling from a printing fluid refill cartridge, the refill cartridge having a fluid dispenser comprising:
a body storing printing fluid having an outlet through which the printing fluid is dispensed; and a selector arranged to select the amount of the printing fluid to be dispensed from the body.

1335. The storage device according to claim 1292, the device being arranged for use in a inkjet cartridge unit of the type having a pagewidth printhead assembly in fluid communication with one or more ink storage compartments, the inkjet cartridge being arranged for refilling with a supply of printing fluid by a printing fluid refill cartridge by way of a method comprising the steps of:
removably mounting a dispenser of printing fluid to the printing unit so as to align an outlet of the dispenser with an inlet of a printing fluid storage chamber of the printing unit;
determining an amount of printing fluid needed to substantially refill the printing fluid storage chamber; and selectively dispensing an amount of printing fluid from the dispenser corresponding to the determined amount.

1336. The storage device according to claim 1292, the device being arranged for use in a cartridge unit of the type having a pagewidth printhead assembly in fluid communication with one or more ink storage compartments, the cartridge being arranged for refilling with a supply of printing fluid by a printing fluid refill cartridge having dispensing assembly comprising:
a body for storing printing fluid having an outlet through which the printing fluid is dispensed; and a plunger arranged to selectively change the storage capacity of the body and expel the printing fluid through said outlet by selective engagement of a movable retaining member with a series of grooves arranged along a surface of the plunger, thereby dispensing a selected amount of printing fluid from the outlet.

1337. The storage device according to claim 1292, the device being arranged for use in a print engine arranged for refilling with a supply of printing fluid by a printing fluid refill unit, wherein the system for controlling refilling of the print engine by the printing fluid refill unit comprises:
an information storage element incorporated in the refill unit for storing information on the amount of printing fluid contained in the refill unit; and an information reader incorporated in the print engine for reading the information stored by the storage element when the refill unit is mounted to the print engine and for controlling the refilling of the print engine with the printing fluid contained in the refill unit based on the information read.

1338. The storage device according to claim 1292, the device being arranged for use in a print engine arranged for refilling with a supply of printing fluid from a printing fluid refill unit comprising an information storage element for storing information on the amount of printing fluid contained in the refill unit and for connecting with an information reader incorporated in the print engine for reading the information stored by the storage element when the refill unit is mounted to the print engine, wherein the information stored by the storage element enables the reader to control the refilling of the print engine with the printing fluid contained in the refill unit.

1339. The storage device according to claim 1292, the printing unit being arranged for refilling with a supply of printing fluid from a printing fluid refill cartridge, wherein the refilling is controlled by a method comprising the steps of:
storing information on an amount of printing fluid contained in the refill cartridge in an information storage element incorporated therein;
mounting the refill cartridge to the printing unit;
reading the information on the amount of printing fluid with an information reader incorporated in the printing unit; and controlling the refilling of the printing unit with printing fluid contained in the refill cartridge based on the information read.
CA2550790A 2004-01-21 2004-12-20 Inkjet printer unit having a high speed print engine Expired - Fee Related CA2550790C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/760,254 2004-01-21
US10/760,254 US7448734B2 (en) 2004-01-21 2004-01-21 Inkjet printer cartridge with pagewidth printhead
PCT/AU2004/001789 WO2005070677A1 (en) 2004-01-21 2004-12-20 Inkjet printer unit having a high speed print engine

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CA2550790C CA2550790C (en) 2011-03-22

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CA002550817A Abandoned CA2550817A1 (en) 2004-01-21 2004-12-20 Combination printer and image reader in l-shaped configuration
CA2550799A Expired - Fee Related CA2550799C (en) 2004-01-21 2004-12-20 Cartridge unit having negatively pressurized ink storage
CA2550813A Expired - Fee Related CA2550813C (en) 2004-01-21 2004-12-20 Network inkjet printer unit having multiple media input trays
CA2550790A Expired - Fee Related CA2550790C (en) 2004-01-21 2004-12-20 Inkjet printer unit having a high speed print engine
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CA002550817A Abandoned CA2550817A1 (en) 2004-01-21 2004-12-20 Combination printer and image reader in l-shaped configuration
CA2550799A Expired - Fee Related CA2550799C (en) 2004-01-21 2004-12-20 Cartridge unit having negatively pressurized ink storage
CA2550813A Expired - Fee Related CA2550813C (en) 2004-01-21 2004-12-20 Network inkjet printer unit having multiple media input trays

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