Transfer unit and image forming apparatus employing the same

Details Transfer unit and image forming apparatus employing the same Transfer unit and image forming apparatus employing the same

2008-02-04

2010-12-07

Gray, David M (Department: 2852)

Electrophotography

Image formation

Transfer

C399S046000, C399S055000, C399S089000, C399S315000

Reexamination Certificate

active

07848691

ABSTRACT:
A transfer unit, which transfers a toner image formed on at least one image support to a printing medium, and an image forming apparatus employing the same. The transfer unit includes: an intermediate transfer body to the toner image from the image support, which has a curved transfer surface and an ASKER-A hardness of from about 25° to 40°; a transfer member, which has an ASKER-C hardness of from about 45° to 70°, and which contacts the intermediate transfer body, with a printing medium being interposed therebetween, and transfers the toner image from the intermediate transfer body to the printing medium. The transfer unit may further include: a de-electrifying member having a DC power and an AC power concurrently applied thereto, to de-electrify the printing.

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http://www.asker.co.jp/en/products/durometer/anlog/cindex.html.

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