Patent ID: 7607756
Filing Date: 2009-10-27
Classification: B41J,B44C,G06F,G06K,G11C,H04N

Abstract:
1. A printhead assembly for a printer which prints onto a moving web that follows a path, the printhead assembly comprising: a full width printhead located across the path, the printhead comprising a plurality of inkjet nozzles having nozzle chambers and thermal bend actuators external to the nozzle chambers, each thermal bend actuator having an arm comprising a plurality of separate spaced apart elongate thermal actuator units, the thermal actuator units being configured to thermally expand upon heating thereby bending the associated arm so as to cause ink ejection from the nozzles; the printhead comprising a color printhead which is at least as wide as the web; the color printhead being supplied with a number of different colored inks.