| 摘要 |
PURPOSE:To discard waste toner when a photosensitive drum is exchanged, by storing the waste toner in the drum removed from the surface of the drum with a cleaning device. CONSTITUTION:The continuation part of coil spring 6 as a toner conveying means is contained in the inside of flexible tube 10. One end of tube 10 is connected with one side of housing 7 of a cleaning device, and the other end is opened in the vacant space inside a photosensitive drum in a tightly closed state through the central part of one side flange 12 of the drum. One end of spring 6 is connected to cleaner gear 16 engaged with drum gear 15, and spring 6 conveys the toner moved toward one side in housing 7, from the cleaning device through tube 10 into the vacant space of the tightly closed inside of drum 1, thus permitting the waste toner to be disposed in exchanging drum 1. |
