Electrophotographic apparatus having a cleaning device

Details Electrophotographic apparatus having a cleaning device Electrophotographic apparatus having a cleaning device

1994-04-29

1995-07-25

Grimley, A. T.

Photocopying

Contact printing

Light boxes

15179, 1525652, 15DIG6, G03G 2100

Patent

active

054367140

ABSTRACT:
In an image formation apparatus such as an electrophotographic printing apparatus, a cleaning device can effectively clean the peripheral surface of a photosensitive drum throughout the full length. The cleaning apparatus includes a fur brush 32 rotating while keeping contact with the entire periphery of a photosensitive drum 6. The cleaning characteristics of this fur brush 32 change between an outside portion R opposing gap roller contact portions at both end portions outside a print area of the photosensitive drum 6 and an inside portion inside this outside portion R.

REFERENCES:
patent: 4319831 (1982-03-01), Matsui et al.
patent: 4673284 (1987-06-01), Matsumoto et al.
patent: 4706320 (1987-11-01), Swift
patent: 4835807 (1989-06-01), Swift
patent: 5126796 (1992-06-01), Fujii et al.

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