| 摘要 |
Engine units (imaging units) 2C, 2M, 2Y and 2K are constituted as an integrated unit by supporting the engine units 2C, 2M, 2Y and 2K comprising a photosensitizer, an electrification unit, a development unit, a cleaning unit and the like on a supporting member. Screws are inserted in screw holes which are provided in the supporting member, and the engine units (imaging units) 2C, 2M, 2Y and 2K are detachably fixed on an image forming apparatus together with the supporting member. Thus, the image forming apparatus in which a management at reusing long life imaging units can be easily carried out is provided.
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