Patent ID: 7680446
Filing Date: 2010-03-16
Classification: G03G

Abstract:
1. A cleaning device installed in an image forming apparatus comprising: a cleaning brush configured to contact a photosensitive member to remove residual toner on the surface of the photosensitive member; and a lubricant supplying brush configured to contact the photosensitive member to supply a lubricant to the surface of the photosensitive member; wherein a linear speed of the lubricant supplying brush is changed such that a ratio of a linear speed of the photosensitive member to the linear speed of the lubricant supplying brush is maintained when the linear speed of the photosensitive member is changed, and a linear speed of the cleaning brush is changed such that a ratio of the linear speed of the photosensitive member to the linear speed of the cleaning brush is maintained when the linear speed of the photosensitive member is changed.