Image forming apparatus with variably controlled bias condition

Details Image forming apparatus with variably controlled bias condition Image forming apparatus with variably controlled bias condition

2007-12-25

2007-12-25

Lee, Susan (Department: 2852)

Electrophotography

Control of electrophotography process

Responsive to copy media characteristic

C399S071000

Reexamination Certificate

active

11241983

ABSTRACT:
An image forming apparatus having an image bearing member rotatable and bearing a toner image thereon, a transferring apparatus for electrostatically transferring the toner image borne on the image bearing member to a recording material, a cleaning apparatus for electrostatically removing any toner not transferred to the recording material by the transferring apparatus but residual on the image bearing member from the image bearing member, a bias applying apparatus for applying a bias to the cleaning apparatus, and a controlling apparatus for variably controlling the bias condition of the bias applied to the cleaning apparatus by the bias applying apparatus, in accordance with the type of the recording material.

REFERENCES:
patent: 4533236 (1985-08-01), Garsin
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patent: 2002-207403 (2002-07-01), None
patent: 2003-57885 (2003-02-01), None
patent: 2003-66735 (2003-03-01), None
patent: 2003-215879 (2003-07-01), None
patent: 2003280456 (2003-10-01), None

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