Image forming unit with a charger wire and optics cleaning mecha

Details Image forming unit with a charger wire and optics cleaning mecha Image forming unit with a charger wire and optics cleaning mecha

1989-12-21

1992-02-18

Grimley, A. T.

Photocopying

Contact printing

Light boxes

355221, 355219, G03G 2100

Patent

active

050898507

ABSTRACT:
A copying machine with a charger including a charging wire for charging the surface of a photosensitive drum and a convergent optical system for forming a focused image of an original on the surface of the drum. The copying machine further includes a waste toner unit, a cleaning unit for cleaning the charging wire and optical system which consists of a first cleaning member for grasping therebetween the charging wire stretched in the charger during cleaning, and a second cleaning member kept in contact with the surface of the convergent optical system, wherein the cleaning members are supported as to be movable in a longitudinal direction of the charging wire and the convergent optical system when cleaning the charging wire and the optical system.

REFERENCES:
patent: 3842273 (1974-10-01), Van Buskirk
patent: 3887809 (1975-06-01), Marx et al.
patent: 3891846 (1975-06-01), Ito
patent: 3953772 (1976-04-01), Zimmer
patent: 3965400 (1976-06-01), Tolliver
patent: 3978379 (1976-08-01), Delvecchio
patent: 4038546 (1977-07-01), Jasinski
patent: 4462682 (1984-07-01), Monma
patent: 4566777 (1986-01-01), Honda et al.
patent: 4788573 (1988-11-01), Nakaoka et al.
patent: 4924268 (1990-05-01), Ogura
patent: 4956671 (1990-09-01), Otsuka

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