Apparatus for adjusting fixing pressure and image forming...

Details Apparatus for adjusting fixing pressure and image forming... Apparatus for adjusting fixing pressure and image forming...

2007-10-09

2010-06-08

Brase, Sandra L (Department: 2884)

Electrophotography

Control of electrophotography process

Responsive to copy media characteristic

C399S124000, C399S328000

Reexamination Certificate

active

07734202

ABSTRACT:
An apparatus for adjusting a fixing pressure of an image forming apparatus is provided. The apparatus for adjusting the fixing pressure includes a pair of pressing members to rotatably support an axis of a first roller from both ends and to rotate about a hinge shaft to cause the first roller to press against a second roller, a pair of hinge cams to move the hinge shaft of the pair of pressing members in either of two directions, a driving unit to rotate the pair of hinge cams, and a control unit to control the driving unit to adjust the position of the hinge shaft.

REFERENCES:
patent: 6687468 (2004-02-01), Holubek et al.
patent: 6782232 (2004-08-01), Hayami et al.
patent: 7039332 (2006-05-01), Suzuki
patent: 7330682 (2008-02-01), Shinshi

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