Patent ID: 7543924

Claim:
A printhead assembly comprising: a body having: a first side having first and second channels which are separately defined to be individually connected to respective first and second ink supplies; a second side opposed to the first side, said second side having third and fourth channels which are separately defined to be individually connected to a third ink supply; a recess separately defined between the third and fourth channels in the second side; a plurality of passages defined through the body from the third and fourth channels in the second side to the first side; and a plurality of ink feed openings defined through the body from the first side to the recess in the second side, a first group of the ink feed openings being individually connected to the first channel, a second group of the ink feed openings being individually connected to the second channel, and a third group of the ink feed openings being individually connected to the third and fourth channels via the passages; and a printhead having first, second and third groups of ink inlets connected to ink ejection nozzles, the printhead being received in the recess of the body so that the first, second and third groups of ink inlets respectively interface with the first, second and third groups of ink feed openings.