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15 July 1996
4. Development unit
(every 120 k)
Lubricate the bias
terminal
(every 240 k)
(Grease: KS660:
SHIN-ETSU
5. Paper feed
(every 120 k for each
Feed Station)
6. Transfer belt unit
(every 120 k)
Replace the transfer
belt (every 240 k)
7. Duplex unit
(every 120 k)
PREVENTIVE MAINTENANCE SCHEDULE
4-1. Remove the developer.
4-2. Clean the development unit and gears.
4-3. Pour a pack of new developer.
4-4. Replace the air filter.
4-5. Clean the toner bottle holder and toner
receiver.
4-6. Lubricate the bottle drive mechanism
[Grease G-501].
5-1. Clean the paper guide plates and vertical
transport/relay rollers.
5-2. Replace the paper feed, pick-up, and
separation rollers.
Note: The feed (pick-up, feed, separation)
rollers for the 1st ~ 3rd feed trays are
different from the feed rollers for the
by-pass feed table and 3.5 k LCT.
There is no interchangeability.
5-3. Clean the registration sensor.
5-4. Lubricate the transport guide lock pin.
6-1. Clean the transfer belt.
6-2. Replace the transfer unit cleaning blade.
6-3. Clean the belt drive/guide rollers and bias
roller.
7-1. Replace the separation roller and
separation belts.
7-2. Clean the feed and transport rollers.
7-3. Lubricate the duplex positioning pins.
4-67
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