| 摘要 |
PROBLEM TO BE SOLVED: To provide an image forming apparatus which has a secondary transfer roller prevented from dirtying to prevent the rear surface of a paper from being dirtied with toner. SOLUTION: A color image forming apparatus 1 includes; an image carrier 3 for holding an electrostatic latent image corresponding to a document image; a developing device 9 for developing a toner image on the image carrier by sticking toner to the electrostatic latent image; an intermediate transfer body 11 to which the toner image on the image carrier is transferred; a secondary transfer roller 30 for transferring the toner image on the intermediate transfer body onto a paper; and a cleaning member 50 for cleaning the secondary transfer roller. The secondary transfer roller 30 can be moved to a first position where it is brought into contact with the intermediate transfer body, and a second position where it is separated from the intermediate transfer body, and the secondary transfer roller is brought into contact with the cleaning member in the second position. COPYRIGHT: (C)2005,JPO&NCIPI
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