Patent ID: 6862421
Filing Date: 2005-03-01
Classification: G03G

Abstract:
1. An apparatus to transfer a color image in a laser printer, comprising: a printer body frame having a side wall; a plurality of guide rollers provided in the printer body frame; an intermediate transfer belt to rotatably travel along a loop by being wound around the guide rollers, and to transfer the color image by a toner; a photosensitive drum, the intermediate transfer belt receiving the color image from the photosensitive drum; a transfer roller to press and contact the intermediate transfer belt with a transfer nip therebetween, and to rotate to transfer the color image of the intermediate transfer belt to a printing paper; a transfer panel, positioned to rotatably open and close with respect to the printer body frame, to support the transfer roller to be rotatable; a separating unit to separate the transfer roller from the intermediate transfer belt at constant intervals or to press the transfer roller to contact the intermediate transfer belt; and an aligning unit to align the transfer roller to maintain an accurate position of the transfer roller with respect to the intermediate transfer belt in the printer body frame.