Patent ID: 7331663
Filing Date: 2008-02-19
Classification: B41J

Abstract:
1. 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 a length of the printhead assembly, wherein the printhead assembly comprises one or more integrated circuits which extend substantially the length thereof so as to have joins therebetween, 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 into passing print media, and 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.