Color image forming apparatus

Details Color image forming apparatus Color image forming apparatus

2007-08-07

2007-08-07

Lee, Susan (Department: 2852)

Electrophotography

Image formation

Treatment of developed image prior to transfer

C399S302000

Reexamination Certificate

active

11183596

ABSTRACT:
A color image forming apparatus includes plural developing units that respectively form toner images of different colors on plural photoreceptors, plural primary transferring devices that successively transfer each of the toner images of the plural photoreceptors onto an intermediate transfer belt, which holds a color toner image transferred and superimposed by primary transfer, a secondary transferring device that transfers concurrently the color toner image onto a transfer material, a drive roller that drives the intermediate transfer belt and that is placed between one of the plurality of primary transferring devices which is arranged on the most downstream side in the direction of movement of the intermediate transfer belt and the secondary transferring device, and a controller that controls a discharger discharging the color toner image and the drive of the drive roller.

REFERENCES:
patent: 6895204 (2005-05-01), Shin
patent: 2003/0123910 (2003-07-01), Kim et al.
patent: 2006/0171748 (2006-08-01), Inui et al.
patent: 10-274892 (1998-10-01), None
patent: 11-143255 (1999-05-01), None
patent: 2003-057959 (2003-02-01), None

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