Charging member

Details Charging member Charging member

1989-02-14

1992-02-18

Pendegrass, Joan H.

Photocopying

Contact printing

Light boxes

361225, 430902, G03G 1502

Patent

active

050898515

ABSTRACT:
There is provided a charging member comprising an electroconductive substrate, and an elastic layer, an electroconductive layer and a resistance layer disposed in this order on the substrate. Such charging member provides good contact with a photosensitive member, to provide good image quality without causing an image defect such as white spot based on charging unevenness. Further, the charging member causes no leak even when the photosensitive member has a pin hole, and reduced the level of noise based on an AC voltage to be applied thereto.

REFERENCES:
patent: 3626260 (1971-12-01), Kimura et al.
patent: 3697836 (1972-10-01), Moss et al.
patent: 4371252 (1983-02-01), Uchita et al.
patent: 4380384 (1983-04-01), Uneo et al.
patent: 4382673 (1983-05-01), Nakajima et al.
patent: 4449013 (1984-05-01), Garschick

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