Patent ID: 7549736

Claim:
A printhead assembly for mounting to an imaging apparatus, comprising: a first micro-fluid ejection chip; a second micro-fluid ejection chip; a filter cap having a plurality of filter towers; and a printhead body to which said first micro-fluid ejection chip, said second micro-fluid ejection chip, and said filter cap are mounted, said printhead body including: a floor having an interior side and an exterior side; a first set of body vias extending through said floor from said interior side to said exterior side, said first set of body vias being positioned to supply ink to said first micro-fluid ejection chip; a second set of body vias extending through said floor from said interior side to said exterior side, said second set of body vias being positioned to supply ink to said second micro-fluid ejection chip; and a plurality of ink flow channels formed on said interior side of said floor, wherein each individual ink flow channel of said plurality of ink flow channels is in fluid communication with a particular body via of said first set of body vias and is in fluid communication with a particular body via of said second set of body vias, with each filter tower facilitating fluid communication with a respective one of said plurality ink flow channels.