Developing device for a color image forming apparatus

Details Developing device for a color image forming apparatus Developing device for a color image forming apparatus

1993-08-18

1994-07-05

Smith, Matthew S.

Photocopying

Contact printing

Light boxes

355251, 355253, 355326R, 118656, 118657, G03G 1506

Patent

active

053271998

ABSTRACT:
A developing device for an electrophotographic color image forming apparatus and having a plurality of developing units each storing a two-component developer of particular color. In each developing unit, to bring the developer deposited on a developing sleeve to an inoperative position, the sleeve is rotated in a direction opposite to a direction for development. At this instant, the developer flowing in the opposite direction is introduced partly into a gap between the developing sleeve and a doctor and partly into a bypass formed between the doctor and the casing of the developing unit.

REFERENCES:
patent: 5036364 (1991-07-01), Murasawa

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