2.9.9 Adjusting the fusing temperature
CAUTION
When the main control board is replaced, the
following procedure should be carried out:
1. Turn off the main switch, and open the front door.
2. Slide out the fusing unit.
3. Remove the fusing front inner cover (2 plated
screws). Then, remove the fusing right inner cover
(4 plated screws).
4. Remove the fusing right cover (one E-ring).
5. Set the fusing unit, and close the front door.
6. Turn on the main switch, and wait for the machine
stand-by.
7. Open the copy tray.
8. Activate the copy tray safety switches on the front
and rear.
9. Open the curl remover fan guide.
10. Set the probe of the surface thermometer.
11. Measure the surface temperature of the fusing
roller and calculate the difference from the
standard value (175 ± 2
o
C).
12. Access service tool [5-03].
13. Consider 2
o
C per step and add the difference from
the standard value by changing the key position in
the screen.
CAUTION
Do not adjust the fusing temperature when
referring the value displayed on the service tool
[5-03] screen. It does not show the actual fusing
temperature. The displayed value shows what
fusing temperature the CPU takes at the
moment. The displayed value will return to the
standard value a few minutes later.
14. Repeat steps 11 through 13 to obtain the standard
value.
15. Reassemble all removed parts.
Curl remover fan guide
Surface
thermometer
probe
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