Image forming apparatus and control method thereof

Details Image forming apparatus and control method thereof Image forming apparatus and control method thereof

2008-01-24

2010-11-16

Tran, Hoan (Department: 2884)

Electrophotography

Control of electrophotography process

Control of transfer

C399S050000, C399S051000

Reexamination Certificate

active

07835657

ABSTRACT:
An image forming apparatus capable of varying a transferring force according to an amount of developer, thereby improving transfer quality, and a control method thereof. The image forming apparatus includes a plurality of photoconductive media on which electrostatic latent images are formed, a transfer unit onto which color developer images respectively developed on the plurality of photoconductive media are transferred and superimposed in sequence, and a controller to control in a manner that electric potential differences between image areas and non-image areas of the electrostatic latent images vary in an order in which the color developer images are transferred.

REFERENCES:
patent: 7113712 (2006-09-01), Gomi
patent: 2006/0083527 (2006-04-01), Sakamaki
patent: 2007/0013924 (2007-01-01), Sakai et al.

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