Developing device and image forming apparatus

Details Developing device and image forming apparatus Developing device and image forming apparatus

2006-06-06

2006-06-06

Ngo, Hoang (Department: 2852)

Electrophotography

Image formation

Development

C222SDIG001, C399S262000

Reexamination Certificate

active

07058340

ABSTRACT:
The developing device of the present invention has developer containers detachably to house developers to be supplied by hollow holding members, supports plural developing units to supply different color developers to an image carrier and plural developing units in the replaceable state, and a revolver to move a desired developing unit to a point opposite to the image carrier by rotating plural developing units en block, and openings of the holding members for inserting the developer containers in the holding members when removed.

REFERENCES:
patent: 6137975 (2000-10-01), Harumoto et al.
patent: 6819898 (2004-11-01), Gumbe
patent: 9-152757 (1997-06-01), None

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