Transfer device

Details Transfer device Transfer device

1999-09-21

2000-09-05

Chen, Sophia S.

Electrophotography

Image formation

Transfer

399 66, 399308, G03G 1516

Patent

active

061155772

ABSTRACT:
An image forming apparatus of the present invention provided with a movable intermediate transfer belt for primary transfer of a toner image formed on a photosensitive drum, and first and second electrodes disposed in contact with the intermediate transfer belt on the upstream side and the downstream side in the direction of movement of the intermediate transfer belt relative to the region of primary transfer of the toner image for respectively applying voltages to the intermediate transfer belt, wherein the first electrode receives a voltage to control a discharge between the intermediate transfer belt and the photosensitive drum, and the second electrode receives a primary transfer voltage to form a transfer electric field between the intermediate transfer belt and the photosensitive drum.

REFERENCES:
patent: 5040028 (1991-08-01), Kamimura et al.
patent: 5053827 (1991-10-01), Tompkins et al.
patent: 5428429 (1995-06-01), Fletcher
patent: 5740508 (1998-04-01), Matsuura et al.
patent: 5873015 (1999-02-01), Christy

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