Image-forming machine with toner image transfer means

Details Image-forming machine with toner image transfer means Image-forming machine with toner image transfer means

1993-09-08

1994-08-09

Smith, Matthew S.

Photocopying

Contact printing

Light boxes

355273, 355276, G03G 1514

Patent

active

053371283

ABSTRACT:
An image-forming machine equipped with a transfer device of the type not using a transfer corona discharger is disclosed. A charge supply member is disposed opposite to an image forming member on whose surface a toner image is to be formed, and at a greater distance than the thickness of a transfer material from the image forming member. A voltage of a predetermined polarity is applied to the charge supply member. In a transfer zone, the surface of the transfer material is brought into contact with the surface of the image forming member, while the back of the transfer material is not contacted with the surface of the charge supply member.

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patent: 4943863 (1990-07-01), Ainoya
patent: 4978998 (1990-12-01), Aizawa
patent: 5034777 (1991-07-01), Ohzeki et al.
patent: 5159391 (1992-10-01), Koshi et al.
patent: 5227841 (1993-07-01), Takahashi et al.
patent: 5233396 (1993-08-01), Simms et al.
patent: 5253022 (1993-10-01), Takeuchi et al.

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