A print system includes a printer having a printer controller. One or more optional support devices are associated with the printer, wherein each optional support device includes a device controller. The system further includes a bi-directional serial communications path, including one or more trunklines,...http://www.google.es/patents/US6028675?utm_source=gb-gplus-sharePatente US6028675 - Transmission error detection system and method for imaging systems including printers with intelligent options
Transmission error detection system and method for imaging systems including ...
