Overcoated transfer roller for transferring developed images fro

Details Overcoated transfer roller for transferring developed images fro Overcoated transfer roller for transferring developed images fro

1995-06-07

1998-03-17

Brase, Sandra L.

Electrophotography

Image formation

Transfer

399101, 399297, G03G 1516

Patent

active

057298106

ABSTRACT:
An apparatus which transfers a developed image from a charge retentive surface to a copy sheet. The apparatus includes a transfer roller that is overcoated with an insulator and charged by either a brush, roller or a blade. The biased transfer roller is brought into contact with the back of a copy sheet thereby transferring charges that migrate through the copy sheet to enable toner transfer from the photoconductive surface to the copy sheet. A metal blade can be used to simultaneously charge and clean the transfer roller.

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