Method and apparatus for measuring nip width in an image...

Details Method and apparatus for measuring nip width in an image... Method and apparatus for measuring nip width in an image...

2011-03-08

2011-03-08

Brase, Sandra L (Department: 2884)

Electrophotography

Control of electrophotography process

Control of fixing

C399S322000, C399S328000

Reexamination Certificate

active

07903991

ABSTRACT:
A method and apparatus for measuring nip width in an image production device is disclosed. The method may include receiving a signal to measure the nip width, the nip width being the distance of an arc length created by an intersection of a fuser roll and a pressure roll, positioning a nip width measuring device into the nip, measuring the nip width, determining if the measured nip width meets a required nip width, wherein if the measured nip width does not meet the required nip width, adjusting the nip width.

REFERENCES:
patent: 4397097 (1983-08-01), Damrau et al.
patent: 5598639 (1997-02-01), Webb
patent: 6819890 (2004-11-01), Bott et al.
patent: 2005/0220473 (2005-10-01), Bott et al.

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