Patent ID: 7669958

Claim:
A printhead cartridge for an inkjet printer, said cartridge being removably receivable in said printer, said cartridge comprising: a printhead; an ink delivery system for supplying ink to said printhead; and a maintenance station for maintaining said printhead in an operable condition, said maintenance station comprising: a chassis reciprocally moveable between a first position and a second position; a maintenance roller mounted on said chassis, said maintenance roller having an elastically deformable contact surface for sealing engagement with an ink ejection face of said printhead, said roller being rotatable and moveable by said chassis between said first position in which said contact surface is sealingly engaged with said face and said second position in which said contact surface is disengaged from said face, wherein said maintenance roller does not rotate when sealingly engaged with said face; and an ink removal system, mounted on said chassis, for removing ink from said contact surface when said maintenance roller is rotated, wherein said chassis comprises at least one engagement formation for complementary engagement with at least one engagement arm of an engagement mechanism in said printer, said chassis being moveable by means of said engagement mechanism.