Cleaning device for a fixing unit

Details Cleaning device for a fixing unit Cleaning device for a fixing unit

2006-03-07

2009-06-02

Gray, David M (Department: 2852)

Electrophotography

Image formation

Fixing

Reexamination Certificate

active

07542710

ABSTRACT:
A fixing unit includes a heat roller and a pressing roller that comes in pressure contact with the heat roller, and passes the recording paper with an unfixed toner image formed thereon through the nip between the heat roller and pressing roller to thereby fix the toner image to the recording paper by applying heat and pressure thereto. A cleaning device for removing the toner remaining on the heat roller or pressing roller in the fixing unit includes cleaning rollers made of metal arranged in press-contact with the heat roller and pressing roller, the peripheral surface of the cleaning rollers being formed with projected and indented shapes to thereby remove the leftover toner appropriately.

REFERENCES:
patent: 63014186 (1988-01-01), None
patent: 9-160420 (1997-06-01), None
patent: 10123873 (1998-05-01), None
patent: 11095601 (1999-04-01), None
patent: 2004-191406 (2004-07-01), None
patent: 2005-196096 (2005-07-01), None
English Translation of Tsujihara (JP 2004-191406).

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