| 摘要 |
<P>PROBLEM TO BE SOLVED: To prevent the belt unit from warping when attaching the belt even if it is not rigid enough in the belt unit frame which attachable to and detachable from an image forming device. <P>SOLUTION: This image forming device has a detachable belt unit. Out of the positioning means of both side plates to attach the belt unit to the main part of the image forming device, at least one of them has three reference positions. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
