Contact transfer device and image forming equipment

Details Contact transfer device and image forming equipment Contact transfer device and image forming equipment

1996-04-26

1998-03-17

Beatty, Robert

Electrophotography

Image formation

Transfer

399388, 399397, G03G 1516

Patent

active

057298114

ABSTRACT:
In a contact transfer device which applies a bias to a transfer member to transfer a toner on a latent image carrier to a recording member and image forming equipment which includes such contact transfer device and forms an image at a given process speed, the characteristics and conditions of various elements concerned with the operation of the contact transfer device are stipulated. The resistance value of each member, other than the transfer member, contactable to the recording sheet during transfer is expressed as R'.gtoreq.2.4.times.10.sup.10 Vp where Vp is the process speed.

REFERENCES:
patent: 5223900 (1993-06-01), Yuminamochi et al.
patent: 5253024 (1993-10-01), Okuda et al.
patent: 5307122 (1994-04-01), Ohno et al.
patent: 5359395 (1994-10-01), Shimura et al.
patent: 5422214 (1995-06-01), Akiyama et al.
patent: 5563693 (1996-10-01), Takahata et al.
Patent Abstracts of Japan, vol. 017, No. 268 (M-1416), 25 May 1993, & JP-A-05 004372 (Casio Comput Co Ltd) 14 Jan. 1993, *abstract.
Patent Abstracts of Japan, vol. 012, No. 029 (P-660), 28 Janvier 1988 & JP-A-62 180376 (Konishiroku Photo Ind. Co. Ltd.), 7 Aug. 1987, *abstract.
Patent Abstracts of Japan, vol. 016 No. 276 (P-1374), 19 Jun. 1992 & JP-A-04 070858 (Minolta Camera Co Ltd) 5 Mar. 1992, *abstract.

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