| 摘要 |
PURPOSE:To execute easily the maintenance of each unit by a simple constitution, by providing a means for returning a developer which has been removed by a cleaner means, to a developing device, as a separate unit, on the inside of an opening and closing door of a device body. CONSTITUTION:The titled device is constituted of a toner receiving part 90, a discharge part 91 and a transfer part 92, by providing a toner return means 68 for returning a toner which has been collected by a cleaning device 21, to a developing device 18, on the inside of a cover 43. In the case of closing the cover 43, the developing device 18 and the cleaning device 21 are connected through the means 68 and a toner is collected. In the case of opening the cover 43, a photosensitive body 15 and the devices 18, 21 are drawn out easily as a unit on a rail 51, a single exchange of the return means 68 is also executed easily, and the maintenance check can be executed easily. |
