Image forming apparatus having a contact type charging device

Details Image forming apparatus having a contact type charging device Image forming apparatus having a contact type charging device

1995-11-06

1996-11-19

Smith, Matthew S.

Photocopying

Contact printing

Light boxes

361255, 361230, G03G 1502

Patent

active

055768075

ABSTRACT:
An image forming apparatus having a rotatable photosensitive member a charging device for charging a surface of the photosensitive member prior to forming an electrophotographic latent image and a power source for applying a charge voltage which includes at least AC component to the charging device. The charging device includes a rotatable brush member which is formed by implanting piles formed by brush fibers on a base member and provided in contact with the photosensitive member. The photosensitive member and charging device and power source are provided to satisfy the following condition:

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patent: 5241342 (1993-08-01), Asano et al.
patent: 5245386 (1993-09-01), Asano et al.
patent: 5289234 (1994-02-01), Asano et al.
patent: 5398102 (1995-03-01), Wada et al.

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