Image forming apparatus and fuser unit cleaning method

Details Image forming apparatus and fuser unit cleaning method Image forming apparatus and fuser unit cleaning method

2011-06-07

2011-06-07

Brase, Sandra L (Department: 2884)

Electrophotography

Image formation

Fixing

C399S322000

Reexamination Certificate

active

07957686

ABSTRACT:
An image forming apparatus includes a fuser unit that includes a first roller and a second roller opposite to each other, a first conveyance unit, a second conveyance unit, a drive unit, and a control unit to control the drive unit to rotate one or both of the first roller and the second roller in a state where a sheet contacts with the first roller and the second roller and the sheet is held by the first conveyance unit and the second conveyance unit, or in a state where after the sheet is held by the first conveyance unit and the second conveyance unit, one or both of the first conveyance unit and the second conveyance unit move in a direction of approaching at least one of the first roller and the second roller and the sheet contacts with the first roller or the second roller.

REFERENCES:
patent: 5138390 (1992-08-01), Miyabayashi et al.
patent: 5142340 (1992-08-01), Farrell et al.
patent: 6845225 (2005-01-01), Toyoda et al.
patent: 7711302 (2010-05-01), Ueda
patent: 7720422 (2010-05-01), Son et al.
patent: P2001-265152 (2001-09-01), None
patent: P2004-309569 (2004-11-01), None
patent: P2005-003784 (2005-01-01), None

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