Color image forming apparatus and method having toner images tra

Details Color image forming apparatus and method having toner images tra Color image forming apparatus and method having toner images tra

1995-06-07

1996-10-15

Royer, William J.

Photocopying

Contact printing

Light boxes

118645, 355274, G03G 1501

Patent

active

055659756

ABSTRACT:
A color image forming apparatus forming toner images of yellow, magenta, cyanogen and black respectively by rotational movement of different image forming units is described. The toner images are transferred to and superimposed on an intermediate transfer belt and then re-transferred to a paper sheet by pressing a transfer roller on the intermediate transfer belt via the paper sheet. A rotational axis of the transfer roller is immovable, and a potential of the transfer roller is electrically floated while the toner images are transferred to the intermediate transfer belt.

REFERENCES:
patent: 5196893 (1993-03-01), Nishise et al.
patent: 5291252 (1994-03-01), Kawaishi
patent: 5300984 (1994-04-01), Fuma et al.
patent: 5351115 (1994-09-01), Yamamoto et al.

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