Patent ID: 7845778
Filing Date: 2010-12-07
Classification: B41J

Abstract:
1. An inkjet printer comprising: a printhead cartridge having a pagewidth printhead defining an array of nozzles for ejecting ink onto a media substrate, the printhead cartridge having a fluid coupling in fluid communication with the array of nozzles, the fluid coupling having a plurality of first conduits; a cradle for supporting the printhead cartridge such that the array of nozzles is adjacent a media feed path extending through the printer, the cradle having a latch mechanism for retaining the printhead cartridge; an ink reservoir for containing supply of ink; and a complimentary coupling for fluid communication with the ink reservoir; wherein, the complementary coupling having a plurality of second conduits corresponding to the plurality of first conduits, each second conduit having a seal seat; a compression member that is movable relative to the seal seats; and a lever system linking the latch mechanism and the compression member, said lever system being actuable to simultaneously engage and disengage the plurality of first and second conduits; wherein the second conduits are formed in an arrangement with a geometric centroid at which the lever system connects to the compression member; wherein the second conduits are arranged in a circle and the lever system connects to the centre of the circle.