| 摘要 |
<p>Provided is an image forming apparatus equipped with a transfer unit which can prevent poor transfer even when the parallelism, between a press roller in the transfer unit and an image carrier facing the press roller which is a photosensitive drum or another image carrier which is a roller for stretching an intermediate transfer belt, is shifted vertically or horizontally, and which can produce a high-quality image. The transfer unit comprises an endless transfer belt stretched over a plurality of rollers, a pair of integrated support side plates for supporting the plurality of rollers rotatably, a pair of press side plates supported, to be able to rotate in the direction of moving toward or away from the image carrier, by means of a supporting member provided in the frame of the transfer unit, a swing portion provided on the press side plates and supporting the support side plates swingably with respect to the image carriers when the transfer belt and the image carriers are pressed, and a member for urging the press side plates in the direction that the transfer belt presses the image carrier.</p> |
