Electrophotography – Image formation – Transfer
Patent
1996-07-02
1998-10-13
Brase, Sandra L.
Electrophotography
Image formation
Transfer
399313, G03G 1516
Patent
active
058226672
ABSTRACT:
A transfer separator comprises a transfer belt or other transfer mechanism for carrying and conveying a sheet to apply a toner image from an image carrier onto the sheet and separating the sheet from the image carrier. A bias application electrode applies a transfer bias to the transfer belt, wherein a relation of Lp.gtoreq.aV, and a=1 mm/KV is established when the minimum distance between the image carrier and surface of the bias application electrode is set to Lp (mm) and the maximum voltage applied to the bias application electrode is set to V (KV) . Preferably, the bias application electrode has a coated layer, and the difference in thickness resistance between the coated layer and the transfer belt is within two orders of magnitude. The hardness of the coated layer is preferably equal to or greater than the hardness of the transfer belt.
REFERENCES:
patent: 5386274 (1995-01-01), Sanpe et al.
patent: 5469248 (1995-11-01), Fujiwara et al.
patent: 5495317 (1996-02-01), Matsuda et al.
patent: 5552871 (1996-09-01), Kutsuwada et al.
patent: 5557384 (1996-09-01), Takano et al.
patent: 5559590 (1996-09-01), Arai et al.
Hayama Yuko
Ishii Hirokazu
Itoh Hiroshi
Kutsuwada Akio
Matsuta Itaku
Brase Sandra L.
Ricoh & Company, Ltd.
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