Photocopying – Contact printing – Light boxes
Patent
1994-06-28
1995-05-09
Moses, R. L.
Photocopying
Contact printing
Light boxes
355326R, 355327, G03G 1516, G03G 1501
Patent
active
054145015
ABSTRACT:
An image forming apparatus including an image bearing member for bearing a toner image; a transfer material carrying member for carrying a transfer material, the transfer material being a dielectric sheet; a transferring member for transferring the toner image from the image bearing member onto the transfer material carried on the transfer material carrying member, the transferring member being contactable to a back side of the transfer material carrying member; current controller for keeping constant current supplied to the transferring member; wherein after the toner image is transferred onto a first surface of the transfer material, a toner image can be transferred onto the second surface of the same transfer material; and wherein when the toner image is transferred onto the second surface, the current controller supplies the transferring member with a predetermined current.
REFERENCES:
patent: 4712906 (1987-12-01), Bothner et al.
patent: 5006900 (1991-04-01), Baughman et al.
patent: 5049934 (1991-09-01), Saito
patent: 5084737 (1992-01-01), Hagen
patent: 5128717 (1992-07-01), Uchikawa et al.
patent: 5155535 (1992-10-01), Bermel
Miura Yasushi
Takekoshi Nobuhiko
Canon Kabushiki Kaisha
Moses R. L.
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