Electrophotography – Image formation – Transfer
Reexamination Certificate
2005-11-29
2005-11-29
Ngo, Hoang (Department: 2852)
Electrophotography
Image formation
Transfer
C399S101000, C399S313000, C399S314000, C399S316000
Reexamination Certificate
active
06970676
ABSTRACT:
The first invention is characterized that, in a transfer device of an image forming apparatus, charge removing cloth (27) is integrally attached to an attraction plate (26) for separating a transfer medium after transfer. The second invention is characterized in that, in image forming apparatus in which a transfer bias is applied between a transfer roller (15) and an intermediate transfer medium (5) by a constant-current control means (50), a leak member (40) is arranged in the vicinity of the transfer roller (15) to allow current to leak from the transfer roller to the leak member.
REFERENCES:
patent: 5633703 (1997-05-01), Takenouchi et al.
patent: 6-77170 (1994-09-01), None
patent: 2759487 (1998-03-01), None
Ito Hiroshi
Osawa Tatsuro
Ngo Hoang
Seiko Epson Corporation
Sughrue & Mion, PLLC
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