Color image forming apparatus

Details Color image forming apparatus Color image forming apparatus

2006-06-06

2006-06-06

Ngo, Hoang (Department: 2852)

Electrophotography

Control of electrophotography process

Control of charging

C399S053000, C399S054000, C399S046000

Reexamination Certificate

active

07058326

ABSTRACT:
A color image forming apparatus includes a plurality of image carriers for at least one color, a plurality of developing devices, each developing a toner image onto each image carrier, a plurality of charging devices, each charging the each image carrier, a first power source, connected to the developing devices in common, a second power source, connected to the charging devices in common, and a controller, changing a process control of at least one of the charging devices and the developing devices in accordance with a color image forming operation and a monochrome image forming operation.

REFERENCES:
patent: 5146272 (1992-09-01), Watanabe
patent: 5734390 (1998-03-01), Sakaizawa et al.
patent: 2002-162801 (2002-06-01), None

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