Process cartridge and image forming apparatus using such cartrid

Details Process cartridge and image forming apparatus using such cartrid Process cartridge and image forming apparatus using such cartrid

1990-11-28

1993-01-19

Grimley, A. T.

Photocopying

Contact printing

Light boxes

355208, 355225, G03G 1500

Patent

active

051810700

ABSTRACT:
A process cartridge removably mounted with respect to the body of an image forming apparatus, which includes an image bearing member, a charging device for uniformly charging the surface of said image bearing member, with the charging device including a discharge electrode and a control electrode, a device for regulating the potential of the control electrode to a predetermined value, and an operation change-over device for rendering the regulating device operative or inoperative.

REFERENCES:
patent: 4607941 (1986-08-01), Honda
patent: 4618249 (1986-10-01), Minor
patent: 4695723 (1987-09-01), Minor
patent: 4939542 (1990-07-01), Kurando et al.
patent: 4987446 (1991-01-01), Mochimaru et al.
patent: 5008707 (1991-04-01), Ewing et al.
patent: 5060017 (1991-10-01), Ueda

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