| 摘要 |
PURPOSE:To unload a tank to disuse toner and to sufficiently utilize the life of a photosensitive drum by providing the titled unit with a tank to be attachably/detachably stored in a case to recover used toner. CONSTITUTION:The unit is constituted of the photosensitive drum 3, an electrostatic charger 8, a cleaning blade 9, a mylar 7, the case 2, and the tank 5 to be loaded/unloaded to/from the case 2. Toner stuck to the drum 3 is cleaned by a cleaning blade 9 in accordance with the rotation of the drum 3 and recovered into the tank 5 loaded in the case 2. When the tank 5 is filled with the recovered toner 6, a cover 1 is opened, a cover 4 is moved in a sliding direction (e) and the tank 5 is unloaded from the case 5. Then, an empty tank 5 is loaded to the case 2, the cover 4 is moved in a sliding direction (f) and the cover 1 is closed. Consequently, the unit can be used again.
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