Image forming apparatus and method to control a velocity...

Details Image forming apparatus and method to control a velocity... Image forming apparatus and method to control a velocity...

2011-01-18

2011-01-18

Porta, David P (Department: 2884)

Electrophotography

Control of electrophotography process

Responsive to number of copies or passage of time

Reexamination Certificate

active

07873289

ABSTRACT:
An image forming apparatus and a method to control a velocity ratio thereof. The image forming apparatus includes a developing device to rotate opposite a photoconductive medium and to supply the photoconductive medium with a developer, and a controller to control a velocity ratio of the developing device to the photoconductive medium according to an accumulated number of printed copies.

REFERENCES:
patent: 5333037 (1994-07-01), Inoue et al.
patent: 2001/0026696 (2001-10-01), Yokota et al.
patent: 2006/0127133 (2006-06-01), Suzuki
patent: 11-338204 (1999-12-01), None

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