Pagewidth printhead assembly having an improved ink distribution structure

摘要

A pagewidth printhead assembly for an inkjet printer that has a body portion for receiving ink from one or more ink sources and having one or more channels formed therein for distributing the ink substantially along the length of the printhead assembly, and one or more integrated circuits extending substantially the length of the printhead assembly. The or each integrated circuit has a plurality of nozzles, each being arranged in use to deliver the ink onto passing print media. The assembly also has an ink distribution member upon which the or each integrated circuit is fixed and which distributes the ink from the body portion to each of the integrated circuits. The ink distribution member is a unitary element having a plurality of conduits formed therethrough. Each of the conduits having an inlet which receives ink from one of the channels of the body portion and an outlet which delivers the ink to a predetermined number of nozzles of the one or more integrated circuits.