Image forming apparatus having a controlled bias applied to...

Details Image forming apparatus having a controlled bias applied to... Image forming apparatus having a controlled bias applied to...

2006-02-14

2006-02-14

Brase, Sandra L. (Department: 2852)

Electrophotography

Control of electrophotography process

Control of cleaning

C399S098000

Reexamination Certificate

active

06999694

ABSTRACT:
In a laser printer, a photosensitive drum is rotated after the lapse of a period, necessary for a first cleaning bias applied to a cleaning roller to reach a set bias value after being turned on, for the start of an image forming operation. The first cleaning bias applied to the cleaning roller is turned off after a period of time has elapsed, required for a motor to stop rotating due to the inertia, after a motor signal is turned off and the image forming operation is finished.

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