| 摘要 |
PROBLEM TO BE SOLVED: To provide a cleaning device capable of maintaining high cleaning performance over a long period of time. SOLUTION: In the cleaning device for cleaning the surface of an electrifying roll 13a while bringing a cleaning brush 59 into contact with the electrifying roll 13a that rotates in a direction shown by an arrow B, the cleaning brush 59 is constituted by transplanting hollow cylindrical bristles. COPYRIGHT: (C)2007,JPO&INPIT
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