| 摘要 |
PROBLEM TO BE SOLVED: To prevent a failure caused by such a failure that paper powder is held in a cleaning member by removing the paper powder before the paper powder on a secondary transfer material reaches the cleaning member. SOLUTION: The apparatus is provided with an endless intermediate transfer belt 10 transported with rotation while being trained about a plurality of rollers, and a secondary transfer body 74 for transferring the toner image transferred to the belt 10 to a transfer material P in a mass and transporting the material P, and in the apparatus, a cleaning member 71 coming in contact with the surface of the secondary transfer body 74 is arranged, and also, a roller type brush member 73 is freely rotatably arranged in contact with the surface of the secondary transfer body 74 on the upstream side of the cleaning member 71 in the rotating direction of the secondary transfer body 74, and the bite quantity A of the brush member 73 into the secondary transfer body 74 is controlled to be≥1 mm. COPYRIGHT: (C)2006,JPO&NCIPI
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