Photocopying – Contact printing – Light boxes
Patent
1989-12-21
1992-06-02
Grimley, A. T.
Photocopying
Contact printing
Light boxes
355273, G03G 1514
Patent
active
051191393
ABSTRACT:
In the image forming apparatus of the present invention, printing stations are provided in positions opposed to an endless paper conveying belt, and an electric charger is disposed close to a conveyance roller and on a downstream side of the conveyance roller with respect to a conveyance direction, which conveyance roller is disposed in a conveyance start position of the paper conveying belt, to maintain the surface potential of each recording paper in good condition, whereby it is made possible to prevent the deterioration of the image quality, diminish the power consumption and attain a reduction in size of the apparatus.
REFERENCES:
patent: 3966199 (1976-06-01), Silverberg
patent: 4162843 (1979-07-01), Inoue et al.
patent: 4531828 (1985-07-01), Hoshino
patent: 4714939 (1987-12-01), Ahern et al.
patent: 4742371 (1988-05-01), Furata et al.
patent: 4887101 (1989-12-01), Hirose et al.
Patent Abstracts of Japan, vol. 9, No. 6 (P-326) [1729], 11 Jan. 1985; & JP-59154465 (Ricoh) Sep. 3, 1984.
Patent Abstract of Japan vol. 9, No. 44 (P-337) [1767], 23 Feb. 1985; & JP-A-59184377 (Fuji Shashin Film) Oct. 19, 1984.
Patent Abstracts of Japan vol. 3, No. 28 (E-96) (63), 9 Mar. 1979; & JP-A-546559 (RICOH) Jan. 18, 1979.
Grimley A. T.
Ramirez Nestor R.
Tokyo Electric Co. Ltd.
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