Image forming apparatus with selectively rotated developing...

Details Image forming apparatus with selectively rotated developing... Image forming apparatus with selectively rotated developing...

2007-11-06

2007-11-06

Gray, David M. (Department: 2852)

Electrophotography

Control of electrophotography process

Control of developing

C399S227000

Reexamination Certificate

active

10919808

ABSTRACT:
An image forming apparatus includes an image carrier formed with a latent image A developing device has a developing roller driven by a stepping motor. A rotary development apparatus supports the developing device on a rotating shaft to rotate to a developing position opposed to the image carrier to form an image by developing the latent image formed at the image carrier and transfers the developed image to a medium at a transferring position The developing roller is driven by the stepping motor in a region of the latent image of the image carrier and is stopped in a holding state in a region in which the latent image is not formed by a current lower than a current in driving the developing roller.

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