Electrophotography – Image formation – Transfer
Patent
1996-11-19
1998-06-09
Beatty, Robert
Electrophotography
Image formation
Transfer
G03G 1501
Patent
active
057650829
ABSTRACT:
An image forming apparatus includes a plurality of image carriers arranged side by side along the outer surface of a conveying portion of a transfer belt. The transfer belt is stretched between a first upstream roller and a second downstream roller. An image forming medium is conveyed on the belt so as to have multiple color images transferred thereto. The transfer belt has a swing lever so as to move the belt between a horizontal full color position and an inclined monochrome position. A stationary support roller which is arranged within the transfer belt and at a position nearer to the second downstream roller maintains a position of the image forming medium constant even when a monochrome image is being transferred. In addition, an electrostatic attraction roller located outside the transfer belt is arranged at a specific angle relative to the first roller to assist in the attraction of the image forming medium to the transfer belt.
REFERENCES:
patent: 5119139 (1992-06-01), Torisawa
patent: 5172175 (1992-12-01), Sekino et al.
patent: 5303018 (1994-04-01), Terada et al.
patent: 5321477 (1994-06-01), Nagata et al.
patent: 5365324 (1994-11-01), Gu et al.
patent: 5602633 (1997-02-01), Yoshida et al.
Abe Tetsuya
Hagiwara Kazuyoshi
Numazu Toshihiko
Beatty Robert
Casio Computer Co. Ltd.
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