7. Fusing Unit
(every 45 k)
1. Clean the stripper pawls with a suitable
solvent. (Replace every 135 k.)
2. Clean the fusing entrance and exit guide
plates with a suitable solvent.
3. Clean the fusing thermistor with a suitable
solvent.
4. Replace the hot and pressure rollers.
5. Clean the inside of the hot roller bearings and
lubricate with Barrierta JFE55/2.
6. Inspect the pressure roller bearings.
8. Others (every 45 k) 1. Replace the ozone filter.
2. Inspect the bearings and the drive belts.
1. Inspect the exit and registration sensors.
9. Copy Quality 1. Open SP33 (Image Bias Adjustment - Manual
ID Mode) and turn the setting to the normal
value if it has been changed.
2. Make a copy of a test chart at manual image
density level 4. Perform the light intensity
adjustment (SP48).
3. Perform the ADS reference voltage
adjustment (SP56).
Others
(every 90 k)
PREVENTIVE MAINTENANCE SCHEDULE 20 December 1996
5-6
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