Patent ID: 6857724
Filing Date: 2005-02-22
Classification: B41J,G06F,G06K,G11C,H04N

Abstract:
1. A print assembly for a wide format printer, the print assembly comprising: an elongate carrier that is mountable on a support structure of the printer in an operative position with respect to a platen of the wide format printer, a number of printhead chips positioned on the carrier, the printhead chips together incorporating at least fifty thousand nozzle arrangements, the printhead chips being positioned so that the printhead chips are capable of ejecting ink drops into a printing zone defined by the platen, and wherein each of the printhead chips includes drive circuitry for selectively providing drive current to each of the nozzles for causing ejection of the ink drops; and a plurality of control circuitry positioned on the carrier remote from the printhead chips and each configured to separately control operation of at least one printhead chip of the plurality of printhead chips by providing control signals to the drive circuitry associated with the at least one printhead chip in synchronization with the control signals provided by the other control circuitry to the other printhead chips.