Fusing device with a web end detector and image forming...

Details Fusing device with a web end detector and image forming... Fusing device with a web end detector and image forming...

2008-11-25

2011-11-08

Gray, David (Department: 2852)

Electrophotography

Image formation

Fixing

C399S352000

Reexamination Certificate

active

08055172

ABSTRACT:
To provide a fusing unit including a fusing roller for fixing an unfixed toner image to a sheet and a fusing roller cleaning unit including a web sheet delivering roller for supplying a web sheet and a winding roller for taking up the web sheet for cleaning the fusing roller, the fusing roller cleaning unit includes a web detecting terminal for detecting the presence of the web sheet and a tension roller for guiding the web sheet, on the upstream side of a pressure roller with respect to the web sheet's direction of conveyance and first and second guide rollers, the second guide roller being disposed upstream of the web detecting terminal.

REFERENCES:
patent: 7715773 (2010-05-01), Ide et al.
patent: 2007/0258739 (2007-11-01), Ide et al.
patent: 101034274 (2007-09-01), None
patent: 7-334026 (1995-12-01), None
patent: 8-87194 (1996-04-01), None
patent: 11-352817 (1999-12-01), None
patent: 2005-321624 (2005-11-01), None
patent: 2006-098692 (2006-04-01), None
patent: 2006-243001 (2006-09-01), None
patent: 2007-240569 (2007-09-01), None

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