Patent ID: 7172266

Claim:
A printhead assembly for a pagewidth ink jet printer, the printhead assembly comprising: an ink storage assembly having a closure member and a cover member engaged with the closure member to define a number of ink storage chambers for storing differently colored ink; an elongate mounting member mounted on the ink storage assembly to be in fluid communication with the ink storage chambers; and at least one printhead module mounted on the mounting member and having a carrier that defines a recess and a printhead integrated circuit received in the recess, the recess being in fluid communication with the mounting member so that ink from the ink storage chambers can be fed to the printhead integrated circuit; wherein the carrier of each printhead module includes a plurality of conductive ribs on an outer surface thereof such that each rib bears against an electrical contact of the printhead integrated circuit mounted in the carrier; and, the cover member has a plurality of conductive ribs positioned thereon to make electrical contact with the conductive ribs of the printhead modules.