Patent ID: 6672706
Filing Date: 2004-01-06
Classification: B41J,G06K,G11C,H04N

Abstract:
A print assembly for a wide format pagewidth inkjet printer, the print assembly comprisingan elongate carrier that is mountable on a support structure of the printer and is positioned an operative distance from a platen of the printer; a number of printhead chips that are mounted on the carrier, the printhead chips being provided in a number and configuration such that the printhead chips define a printing zone between the carrier and the platen, the printing zone having a length of at least 36 inches (914 mm), each printhead chip being positioned at a common angle of greater than zero degrees and less than ninety degrees with respect to a straight line extending at right angles to a feed direction, with consecutive ends of the printhead chips overlapping to ensure continuous printing in the printing zone, each printhead chip being of the type that incorporates a plurality of nozzle arrangements, each nozzle arrangement being in the form of a micro electromechanical system to achieve the ejection of ink from the nozzle arrangement; and control circuitry that is positioned on the carrier and is operatively connected to the printhead chips to control operation of the printhead chips.