After Disassembling The Fixing Unit - Canon iR C3200 Series Service Manual

Chapter 11
5) Remove the shaft [1] (used to secure the fixing
upper frame/lower frame) in place and the gear [2].
F-11-30
6) Remove the shaft [1] (used to secure the fixing
upper frame/lower frame) at the front.
F-11-31
7) Separate the fixing upper frame and the lower
frame, and detach the fixing upper frame [1].
F-11-32
11-20
11.5.2.4 After Disassembling
the Fixing Unit
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-11-33
2) Fit the fixing unit in the machine, and execute the
following service mode to measure the nip:
COPIER>FUNCTION>FIXING>NIP-CHK
Paper
movement
Standard:
|a c| = 0.5mm or less
a
F-11-34
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.
0000-5044
c
1.5mm
Standard:
8.75mm±0.25mm
(less than
b
5000 sheets)
Center
of paper
9.25mm±0.25mm
(5000 sheets
or more)
1.5mm