PRINTHEAD ASSEMBLY WITH AIR CLEANING ARRANGEMENT

摘要

A printhead assembly is provided for an inkjet printer. The printhead assembly includes an elongate ink distribution molding assembly. The ink distribution molding assembly defines longitudinal ink ducts and an air duct. A laminated ink distribution stack is mounted to the ink distribution molding assembly. The laminated ink distribution stack defines ink passages and at least one air passage in fluid communication with respective ones of the ink ducts and the air duct. A plurality of ink ejection integrated circuits (IC's) is mounted to the laminated ink distribution stack in fluid communication with the ink ducts to eject ink supplied from the ink ducts. A cover defines a plurality of apertures through which ink ejected from the IC's can pass. The cover is mounted to define a space between the IC's and the cover in which pressurised air can be provided from the air passage so that air can pass through the apertures to clean the apertures.