Color image forming apparatus and color image forming method

Details Color image forming apparatus and color image forming method Color image forming apparatus and color image forming method

2007-06-05

2007-06-05

Gray, David M. (Department: 2852)

Electrophotography

Internal machine environment

Particle or contaminant control

C399S149000, C399S150000, C399S199000, C399S302000, C399S308000

Reexamination Certificate

active

11038178

ABSTRACT:
In an image forming apparatus of the present invention capable of forming a full-color image by superposing a black toner image formed by a black image forming unit using a developing and simultaneous cleaning type developing unit over color toner images obtained by color image forming units using developing and simultaneous cleaning developing units arranged in tandem, adhered toners generated from the black image forming unit or the color image forming units to be recovered are all recovered by a same single cleaner.

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U.S. Appl. No. 10/944,011, filed Sep. 20, 2004, Shimmura.

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