Patent ID: 8066363

Claim:
A printhead assembly for an ink jet printer, comprising: a printhead body having a tower portion, wherein the tower portion defines an ink entrance passage configured to receive ink from an ink tank; a printhead chip provided on the printhead body and including ink ejection nozzles and ink ejectors, wherein the ink-ejection nozzles are in fluid communication with the entrance passage; a retainer including a printhead end and a tank end, wherein the retainer is engaged with the tower portion of the printhead body at the printhead end, and wherein the retainer is configured to engage an exit structure on an ink tank at the tank end; a filter fused within and to the retainer and positioned to filter ink moving downstream from an ink tank to the entrance passage; and a wick held by the retainer adjacent the filter and configured to allow ink to transfer from an ink tank to the filter, wherein the tower portion extends at least partially within an inner passage of the retainer and wherein the filter is disposed within the inner passage of the retainer upstream from the tower portion.