Checking Nip Width - Canon imageRUNNER ADVANCE 6075 Series Service Manual

Checking nip width

In the case of paper wrinkle or fixing failure, check that the fixing nip width is within the
specified range. Note that the fixing nip width of this equipment cannot be adjusted in the
field.
1) Print approx. 20 sheets of A4 size paper.
2) Set A4 size plain paper/recycled paper on the Multi-purpose Tray.
3) COPIER > FUNCTION > FIXING > NIP-CHK
A sheet is stopped once in a state held by the Fixing Nip area, and is delivered approx. 20
seconds later.
4) Measure the nip width of delivered sheet.
If the nip widths are as follow it is judged as normal: 5.0 to 6.0 mm at the center (b), and
difference between front (a) and rear (b) is within 0.5 mm.
In the case of failure, check if there are any damaged parts (*), and replace the damaged
parts (if any).
* Gear, Bearing, Fixing Roller, Pressure Roller and Fixing Assembly
Edge
Center
Edge
6
Troubleshooting > Other > Checking nip width
Nip width
a
b
c
Paper feed direction
F-6-52
6 Troubleshooting > Other > Checking nip width
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