| 摘要 |
PURPOSE:To easily load/unload a process unit and to prevent a photosensitive body from being damaged at the time of loading/unloading by arranging an auxiliary frame body to which the process unit is attachably/detachably fitted on the inside of a supporting structure so that the frame body can be optionally moved between 1st and 2nd positions. CONSTITUTION:The process unit 16 including a developing device 30 or the like for developing an electrostatic latent image formed on an electrostatic photosensitive drum 20 is attachably/detachably fitted to the auxiliary frame body 8. The frame body 8 can be optionally moved between the 1st position for setting up the process unit 16 on a working position and the 2nd position for setting up the process unit 16 on a drawing position drawn from the supporting structure. A slide supporting mechanism is arranged between the frame body 8 and a lower supporting frame 4, and when the frame body 8 is moved from the 1st position in the right direction, the slide supporting mechanism is extended and the frame body 8 is set up on the 2nd position. Under said status, the process unit 16 can be loaded or unloaded to/from the frame body 8.
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