FUSING UNIT
3-144
3.11.13 FUSING PRESSURE ADJUSTMENT
NOTE: The nip width 11.5 ± 0.5 mm (the difference between front and rear
measurements should be less than 0.5 mm).
1. Execute SP1109 (Fusing Check) to enter the fusing nip band check mode.
2. Make a copy using an A4/LT OHP sheet. Copying will start. It will stop in the
fusing unit for 30 seconds and then will exit.
NOTE: If an OHP sheet is not available, use a solid black copy on plain paper
(make the copy with the ADF open – the copy will be all black).
3. Measure the nip band width (the shiny band) at both ends.
4. If the nip band width is not within specifications at both ends:
• Loosen the lock nuts ,
• Turn screws , to adjust pressure (clockwise increases the pressure,
counterclockwise decreases the pressure).
• Re-tighten the nuts , after adjusting.
5. Repeat steps 1 to 4 to check the nip band width.
Important! After doing this procedure, switch off SP1109. If this SP remains on,
this will cause paper to jam in the fusing unit (SC559).
B234R893.WMF
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