Rotary-type imaging device employing corrective positioning...

Details Rotary-type imaging device employing corrective positioning... Rotary-type imaging device employing corrective positioning...

2007-10-23

2007-10-23

Gray, David M. (Department: 2852)

Electrophotography

Image formation

Development

C399S302000

Reexamination Certificate

active

11270544

ABSTRACT:
An image forming apparatus has a developing device, in which are integrated a plurality of developers; a photosensitive member, on which are formed toner images by means of the plurality of developers; a transfer member, onto which the toner images of the photosensitive member are transferred; a control portion, which, when any one of the developers among the plurality of developers, having moved with respect to the photosensitive member, has not stopped in a prescribed position, causes corrective movement of the developer to the prescribed position; and, velocity control device, which controls the movement velocity of the transfer member at a lower velocity than a prescribed velocity for a prescribed time interval after the developer has not stopped at the prescribed position.

REFERENCES:
patent: 5587783 (1996-12-01), Nakamura et al.
patent: 7-064365 (1995-03-01), None

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