Process cartridge and image forming apparatus

Details Process cartridge and image forming apparatus Process cartridge and image forming apparatus

2007-10-16

2007-10-16

Gray, David M. (Department: 2852)

Electrophotography

Having particular structure

Modular or displaceable

C399S114000

Reexamination Certificate

active

11465746

ABSTRACT:
A process cartridge detachably mountable to an electrophotographic image forming apparatus main assembly forms an image on recording material. The cartridge is transportable with the apparatus while being set therein. The cartridge includes a frame, an electrophotographic photosensitive drum, a process device actable on the drum, a shutter movable between an exposing and protecting positions for respectively opening an opening provided in the frame to expose the drum, and closing the opening to protect the drum, and a protecting member interposable between the drum and a transfer roller, provided in the main assembly, for transferring a toner image onto the recording material, upon transportation of the cartridge set in the main assembly together with the main assembly. The protecting member mounts on the frame to cover the shutter. The shutter is movable from the protecting to the exposing positions in interrelation with mounting the cartridge to the main assembly.

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