| 摘要 |
PROBLEM TO BE SOLVED: To provide an image forming apparatus which is compact, hardly breaks down, achieves reduction of manufacturing cost and outputs a high-quality print image. SOLUTION: The image forming apparatus having a roller transfer type secondary transfer part for transferring a toner image carried on an intermediate transfer belt to paper includes a transfer roller, and a backup roller on which the intermediate transfer belt is laid and which is opposed to the transfer roller through the intermediate transfer belt, wherein hardness of a surface of the backup roller is equal to or above 10°and under 45°in Asker C hardness, and a driving roller for driving the intermediate transfer belt is arranged on a downstream side of a primary transfer part for transferring the toner image to the intermediate transfer belt and on an upstream side of the secondary transfer part. COPYRIGHT: (C)2011,JPO&INPIT |
