Image forming apparatus

Details Image forming apparatus Image forming apparatus

1997-04-02

1998-11-03

Brase, Sandra L.

Electrophotography

Machine operation

Having power supply

399 50, 399 66, 399 67, G03G 1500

Patent

active

058323406

ABSTRACT:
In an image forming apparatus having an auto power-off function, the durability of a roller of a heat fusing member or the like is improved. Before a lapse of a specified time .DELTA.t from a time T at which an auto power-off timer stops time counting, a fusing roller is driven for the time .DELTA.t. By this operation, the fusing roller is consistently driven within the set time of the auto power-off timer, thereby reducing a continuous stress in a nip portion of the fusing roller.

REFERENCES:
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patent: 4474454 (1984-10-01), Sugiura
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patent: 4627714 (1986-12-01), Nozaki
patent: 4870526 (1989-09-01), Maruta et al.
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patent: 5241343 (1993-08-01), Nishio
patent: 5457516 (1995-10-01), Kim
patent: 5459553 (1995-10-01), Kim
patent: 5670832 (1997-09-01), Takeda

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