4. Remove all toner, developer and the drum
from the imaging unit. Clean the
whole
imaging unit, especially the lower cover with a
dry cloth.
5. Inspect the development entrance seal, toner
supply drive gear, and development drive
gears in the imaging unit (lubricate the latter
with 2 or 3 spots of CPL501).
6. Install new developer.
7. Clean the cleaning entrance seal and replace
the cleaning blade. Apply setting powder
evenly on the surface and edge of the new
cleaning blade.
8. Clean the erase lamp and the quenching lamp
with a blower brush or dry cloth.
9. Replace the charge corona wire and charge
corona cleaning pad.
10. Replace the discharge plate.
6. Paper Feed
(every 45 k)
1. Clean the bottom plate pad with a soft cloth
dampened with water.
2. Clean the registration roller with a soft cloth
dampened with water.
3. Clean the paper feed guide with a soft cloth
dampened with water.
4. Clean the paper dust mylar with a soft dry
cloth.
Replace the feed
roller, by-pass
feed roller,
friction pad and
tray bottom plate
pad (every 90 k)
Preventive
Maintenance
20 December 1996 PREVENTIVE MAINTENANCE SCHEDULE
5-5
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