It is checked whether an ink used in a printhead has a high density. The type of a printing medium used for a print operation is also identified. An image is printed by scanning the printhead once or a plurality of times. When a print operation is to be performed by using a thick ink, an image is printed...http://www.google.es/patents/US6543872?utm_source=gb-gplus-sharePatente US6543872 - Ink-jet printing method and apparatus for printing with inks of different densities
Ink-jet printing method and apparatus for printing with inks of different ...
