Patent ID: 7470002

Claim:
A inkjet printer comprising: a body configured to receive a printhead assembly, the printhead assembly comprising at least one printhead integrated circuit having a plurality of ink ejection nozzles and an ink distribution support mounting the, or each, printhead integrated circuit, the ink distribution support being arranged, in use, to distribute ink to the nozzles; and at least one mounting feature on the body for mounting the printhead assembly at the ink distribution support, the, or each, mounting feature being configured to cooperate with a corresponding complementary reference feature of the ink distribution support upon mounting of the printhead assembly to the printer, the cooperation providing information on the location of the nozzles, wherein the printhead assembly is incorporated in a printing cartridge, and the body of the printer has a cartridge receiving slot for removably receiving the printing cartridge, the at least one mounting feature being at least one protrusion arranged in the cartridge receiving slot and the complementary reference feature of the ink distribution support being a flat surface of a plurality of corners of the ink distribution support which is configured to cooperate with the protrusions.