Patent ID: 7588315

Claim:
An array printhead comprising: a plurality of head chips arranged along the array printhead in a direction perpendicular to paper feeding direction and each comprising a plurality of nozzle lines, which correspond to ink of different colors, formed in the direction perpendicular to the paper feeding direction to be parallel to one another; and a plurality of members overlapping and coupling to one another and each having a plurality of passages through which the ink of different colors are supplied to the plurality of head chips, wherein among the plurality of members, a member on which the plurality of head chips are mounted has a plurality of supply holes that correspond to the plurality of nozzle lines of each of the plurality of head chips and allow the ink of different colors to be supplied therethrough, wherein the plurality of supply holes comprise two first supply holes formed on a common axis that is parallel to the paper feeding direction and a distance between the two first supply holes is greater than any of distances between the supply holes in the paper feeding direction.