Method and apparatus for cleaning a color image forming apparatu

Details Method and apparatus for cleaning a color image forming apparatu Method and apparatus for cleaning a color image forming apparatu

1989-09-19

1990-07-31

Grimley, Arthur T.

Photocopying

Contact printing

Light boxes

355299, 355327, 118652, 430125, G03G 2100, G03G 1501

Patent

active

049453882

ABSTRACT:
A developing unit which accommodates black toner is operated for developing process by black toner only at a proper time when color image forming operation is not performed by other developing units which accommodate other colored toners. Then, a cleaning blade is actuated without conducting transfer process of the developed image onto a transfer material, and residual toner is removed from the photoconductor.

REFERENCES:
patent: 3649262 (1972-03-01), Cade et al.
patent: 3910231 (1975-10-01), Inoue et al.
patent: 4396276 (1983-08-01), Murasaki
patent: 4711555 (1987-12-01), Toshimitsu et al.

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