Image forming apparatus having a multispeed heated pressure fuse

Details Image forming apparatus having a multispeed heated pressure fuse Image forming apparatus having a multispeed heated pressure fuse

1994-07-27

1996-02-20

Royer, William J.

Photocopying

Contact printing

Light boxes

219216, 355208, 355282, G03G 1520

Patent

active

054933781

ABSTRACT:
A toner image carried by a receiving sheet is fused by heat and pressure applied by first and second fusing members. To compensate for heat lost from the pressure member to the receiving sheet, the fuser has at least two speeds, a first fast speed, which is utilized for the first revolution of the fusing member contacting the toner image and a second slower speed to which the fuser is changed at the end of such first revolution.

REFERENCES:
patent: 4319874 (1982-03-01), Sawano
patent: 4595279 (1986-06-01), Kuru et al.
patent: 5249024 (1993-09-01), Menjo
patent: 5260751 (1993-11-01), Inomata
patent: 5300995 (1994-04-01), Ohgita et al.
patent: 5331384 (1994-07-01), Otsuka
U.S. patent application Ser. No. 08/231,073, Watkins et al., filed Apr. 22, 1994.

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