Canon iR C3200 Series, Руководство по обслуживанию

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Chapter 11
11-29
F-11-71
4) Remove the fixing heat retaining heater [1].
F-11-72
11.5.4.5 Removing the Pressure
Roller
0000-5070
1) While opening the delivery lower guide [1], remove
the pressure roller [2].
F-11-73
11.5.4.6 After Disassembling
the Fixing Unit
0000-5071
If you have loosened the adjusting screw used to
secure the upper frame and the lower frame of the
fixing unit in place (as when replacing a roller), be
sure to adjust the nip of the fixing roller as follows:
1) Turn the adjusting screw [1] at the front/rear so that
the length of the pressure spring is 31.5mm.
F-11-74
2) Fit the fixing unit in the machine, and execute the
following service mode to measure the nip:
COPIER>FUNCTION>FIXING>NIP-CHK
F-11-75
3) Adjust the balance between the front and the rear:
4) If the median value of the measured nip is toward
the lower limit of the standard, tighten the screw on
the side with a lower nip value at the edge.
Paper
movement
Standard:
|a c| = 0.5mm or less
1.5mm
c
a
b
Center
of paper
1.5mm
Standard:
8.75mm±0.25mm
(less than
5000 sheets)
9.25mm±0.25mm
(5000 sheets
or more)