Transfer device for electrophotographic printer

Details Transfer device for electrophotographic printer Transfer device for electrophotographic printer

1990-11-13

1992-03-31

Pendegrass, Joan H.

Photocopying

Contact printing

Light boxes

361229, G03G 1516

Patent

active

051012391

ABSTRACT:
In an electrophotographic printer, a toner image formed on a photoconductive member is transferred onto a recording medium by charging the recording medium and by making the charged recording medium contact the toner image formed on the photoconductive member. A transfer charger for charging the recording medium is arranged in such a fashion that the transfer charger faces the recording medium at the upstream-side portion, with respect to the feeding direction of the recording medium, of an area where the photoconductive member and the recording medium contact. Therefore, the recording medium is charged at the upstream side of the portion with respect to the lateral center of the portion where the recording medium and the image carrying means contact.

REFERENCES:
patent: 3620617 (1971-11-01), Kelley et al.
patent: 3909258 (1975-09-01), Kotz
patent: 4367032 (1983-01-01), Sakamoto et al.
patent: 4389112 (1983-06-01), Ogata et al.
patent: 4423951 (1984-01-01), Rightmyre
patent: 4640880 (1987-02-01), Kawanishi et al.
patent: 4736227 (1988-04-01), Till et al.
patent: 4882606 (1989-11-01), Deguchi
patent: 4908668 (1990-03-01), Takamatsu et al.
patent: 4922303 (1990-05-01), Takeda et al.

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