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12 February 1992
4. Cleaning Unit
(every 80 K)
5. Development Unit
(every 80 K)
Lubricate the
development unit
gears.
(every 240K)
[Grease G-40M]
6. Paper Feed
(every 80K for each
Feed Station)
7. Fusing Unit
(every 80 K)
Fusing Unit
(every 160 K)
PREVENTIVE MAINTENANCE SCHEDULE
1. Empty the used toner tank.
2. Clean the inside of the cleaning unit and seals.
3. Replace the cleaning blade and brush.
1. Clean the development unit guide plate in the
copier with a damp cloth.
2. Remove the developer.
3. Clean the development unit and gears.
4. Pour a pack of new developer.
1. Clean the paper guide plate.
2. Lubricate the slip clutch for the separation roller
(LCT). [Mobil Temp. 78]
3. Replace the paper feed, pick-up, and
separation rollers (LCT).
4. Replace the feed rollers, friction pad
assemblies and paper tray bottom plate pads.
[Albania 2]
5. Replace the duplex paper feed roller.
6. Replace the by-pass feed bottom plate pad.
7. Lubricate the duplex clutch spring.
[Mobil Temp. 78]
1. Clean the entrance and exit guide plates.
2. Inspect the thermistor.
3. Replace the stripper pawls.
4. Lubricate the drive gears. [Grease G501]
1. Clean the thermistor.
2. Replace the hot roller, pressure roller and drive
gears. [Barrierta L55/2] [Grease G501]
4-51
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