Image forming apparatus having a fixing device for fixing...

Details Image forming apparatus having a fixing device for fixing... Image forming apparatus having a fixing device for fixing...

2007-03-06

2007-03-06

Brase, Sandra L. (Department: 2852)

Electrophotography

Image formation

Fixing

C399S067000, C399S341000

Reexamination Certificate

active

10891887

ABSTRACT:
An image forming apparatus comprising a fixing roller, an endless fixing belt engaged at least with the fixing roller, and a pressing roller opposite to the fixing roller with the endless fixing belt between them; wherein the image forming apparatus is equipped with a pressure changing member for changing the mean pressure on a second pressing area against which the pressing roller pressed the fixing roller via the fixing belt in the pressure area formed by the pressing roller.

REFERENCES:
patent: 5873020 (1999-02-01), Matsuura et al.
patent: 5887235 (1999-03-01), Wayman et al.
patent: 5998761 (1999-12-01), Berkes et al.
patent: 6577837 (2003-06-01), Iida et al.

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