Patent ID: 8107842
Filing Date: 2012-01-31
Classification: G03G

Abstract:
1. An image forming apparatus comprising: a fixing unit configured to fix an unfixed image on a recording medium by bringing a first roller and a second roller in pressure-contact with each other; a contacting region detecting unit configured to detect a contacting region in which the first roller and the second roller are contacting each other, according to rotation of the first roller; a storing unit configured to store a contacting time in the contacting region detected by the contacting region detecting unit; a rotation control unit configured to control the rotation of the first roller in such a manner as to change the contacting region in which the first roller and the second roller contact each other, based on the contacting time stored by the storing unit; and an accumulating unit configured to accumulate the contacting time for each contacting region on a peripheral surface of the first roller that is detected by the contacting region detecting unit as the contacting region, wherein the storing unit stores the contacting time that is accumulated for each of the contacting regions, the image forming apparatus further comprising: a comparing unit configured to make a comparison between the contacting times stored by the storing unit for each of the contacting regions, wherein the rotation control unit controls the rotation of the first roller, based on results of the comparison, in such a manner that the first roller and the second roller contact each other in one of the contacting regions corresponding to the shortest contacting time among the contacting regions.