Image forming apparatus

Details Image forming apparatus Image forming apparatus

2006-02-07

2006-02-07

Grainger, Quana (Department: 2852)

Electrophotography

Control of electrophotography process

Control of transfer

C399S044000, C399S045000

Reexamination Certificate

active

06996350

ABSTRACT:
An image forming apparatus including an image bearing body bearing an image, a transferring member being capable of contacting the image bearing body and transferring an image on the image bearing body to a transferring material when a voltage is applied thereto, and control portion for controlling the voltage applied to the transferring member,wherein the control portion determines the value of a reference voltage required for passing a current of a predetermined value appropriate to the type of transferring material through the transferring member contacting the image bearing body, and applies to the transferring member a transferring voltage of a value determined by adding to the reference voltage value an addition voltage value appropriate to the type of transferring material at the time when the image is transferred to the transferring material.

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