Cooling device for cooling recording sheet

Details Cooling device for cooling recording sheet Cooling device for cooling recording sheet

2005-06-14

2005-06-14

Royer, William J. (Department: 2852)

Electrophotography

Image formation

Fixing

C399S341000

Reexamination Certificate

active

06907220

ABSTRACT:
A cooling device used in an electrophotographic image forming device includes a cooling roller, which is a heat roller, and a backup roller pressed against the cooling roller to form a nip portion therebetween. After being discharged from a fixing device that thermally fixes a toner image onto a recording sheet, the recording sheet passes through the nip portion, whereby the cooling roller cools the recording sheet. The cooling roller is maintained at 100° C. or higher.

REFERENCES:
patent: 3948215 (1976-04-01), Namiki
patent: 4992833 (1991-02-01), Derimiggio
patent: 5089857 (1992-02-01), Xydias
patent: 6370352 (2002-04-01), Tomita
patent: 4-260065 (1992-09-01), None
patent: 11-15308 (1999-01-01), None

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