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Image Forming Apparatus Including Coupling Member Selectively Coupled to Photosensitive Drum

  • US 20190011876A1
  • Filed: 09/13/2018
  • Published: 01/10/2019
  • Est. Priority Date: 10/31/2008
  • Status: Active Grant
First Claim
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1. An image forming apparatus comprising:

  • a main casing;

    a process frame configured to move relative to the main casing between a first position and a second position, the process frame being in the main casing in a case where the process frame is in the first position, and the process frame being out of the main casing in a case where the process frame is in the second position, and the process frame including;

    a first photosensitive drum supported by and movable with the process frame in a case where the process frame moves relative to the main casing between the first position and the second position, and the first photosensitive drum being detachable from the process frame; and

    a second photosensitive drum supported by and movable with the process frame in a case where the process frame moves relative to the main casing between the first position and the second position, and the second photosensitive drum being non-detachably supported by the process frame at all positions of the process frame relative to the main casing;

    a first toner cartridge configured to accommodate toner therein, the first toner cartridge being positioned to the first photosensitive drum in a case where the first toner cartridge is attached to the process frame; and

    a second toner cartridge configured to accommodate toner therein, the second toner cartridge being positioned to the second photosensitive drum in a case where the second toner cartridge is attached to the process frame.

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