Patent ID: 7722161
Filing Date: 2010-05-25
Classification: B41J

Abstract:
1. A method of locating a printhead assembly on a printer, the method comprising the steps of: providing a 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 from the ink supply to the nozzles; mounting the printhead assembly to the printer by bringing each of a slot defined with respect to the x-coordinate of the printhead assembly into cooperation with a mesa feature of the printer, an angled surface defined with respect to the x- and y-coordinates of the printhead assembly into cooperation with a protrusion across the slot of the printer, and a flat surface defined with respect to the z-coordinate of the printhead assembly into cooperation with protrusion located within the slot of the printer; and determining from the cooperation the location of the nozzles with respect to the x-, y- and z-coordinates.