Methods and apparatus for transferring a toner image via...

Details Methods and apparatus for transferring a toner image via... Methods and apparatus for transferring a toner image via...

2011-06-28

2011-06-28

Gray, David M (Department: 2852)

Electrophotography

Control of electrophotography process

Control of transfer

Reexamination Certificate

active

07970307

ABSTRACT:
A transfer apparatus capable of suitably measuring the amount of electric charges transferred from a transfer member to a transfer body and performing a transfer process without degrading the image quality by supplying an amount of electric charges suitable for any type of transfer body onto which an toner image is to be transferred. The transfer apparatus in an image forming apparatus employing an electrophotographic method includes the transfer member electrically charging the transfer body; a charging unit for electrically charging a surface of the transfer member; and voltage sensors for measuring the voltage at each of an upstream area and a downstream area on the transfer member with respect to a transfer nip section of the transfer member.

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Machine English translation of JP08-054789.

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