Process cartridge and electrophotographic image forming apparatu

Details Process cartridge and electrophotographic image forming apparatu Process cartridge and electrophotographic image forming apparatu

1996-10-24

1999-08-10

Smith, Matthew S.

Electrophotography

Having particular structure

Modular or displaceable

399 25, 399 90, 399113, G03G 2116, G03G 1500

Patent

active

059372397

ABSTRACT:
The present invention provides a process cartridge removably mounted to an electrophotographic image forming apparatus. The process cartridge includes; a cartridge frame, an electrophotographic photosensitive member provided within the cartridge frame, a process device for acting on the electrophotographic photosensitive member, a memory device for storing information to be transmitted to the electrophotographic image forming apparatus, a positioning portion for positioning the cartridge frame with respect to the image forming apparatus when the process cartridge is mounted to the image forming apparatus, and an exposure opening provided in the cartridge frame and to pass information light from the image forming apparatus to be illuminated on the electrophotographic photosensitive member when the process cartridge is mounted to the image forming apparatus.

REFERENCES:
patent: 4994853 (1991-02-01), Fukuchi et al.
patent: 5272503 (1993-12-01), LeSueur et al.
patent: 5283613 (1994-02-01), Midgley
patent: 5452059 (1995-09-01), Sekiya
patent: 5475470 (1995-12-01), Sasago et al.
patent: 5500714 (1996-03-01), Yashiro et al.
patent: 5602623 (1997-02-01), Nishibata et al.

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