| 摘要 |
A cleaning device for removing substances remaining on a rotatable image holding member in an image forming apparatus, which includes: a cleaning roller rotatably supported in a state contacting the image holding member so as to remove the substances remaining on a surface of the image holding member, and a drive change-over device arranged to change-over driving so as to rotate the cleaning roller following rotation of the image holding member during a period in which image formation is effected by the image holding member, and to impart a speed difference to the cleaning roller with respect to the image holding member during other periods in which the image formation is not effected.
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