Regular Pm Schedule - Ricoh FT8680 Service Manual

31 July 1995

4.2 REGULAR PM SCHEDULE

1. Make A Copy (every 150K)
1. Make a copy of an OS-UA3 test chart at manual image density
level 4.
2. Remove the developer.
3. Unplug the copier and 2nd sorter stapler.
2. Optics (every 150K)
1. Clean the mirrors, lens, and reflector using a soft cloth.
2. Clean the exposure glass with water.
3. Clean 1st and 2nd scanner guides with a dry cloth.
4. Clean the lens guide rods with a dry cloth.
5. Clean the fiber optics cable ends with a dry cloth.
6. Clean the optics cooling fan filter. Replace it if necessary.
7. Inspect the exposure flat cable for damage.
8. Inspect the exposure lamp for dark spots.
Every 900K
1. Replace the exposure lamp.
Every 3M
1. Replace the fiber optics cable and the flat cable.
Every 1M originals
1. Replace the exposure glass.
3. Paper Feed (every 150K for each feed station)
1. Clean the paper feed sensor of each feed station using a dry cloth
or a blower brush.
2. Clean the paper feed guide of each feed station using a dry cloth.
3. Clean the relay rollers, the transport belts, and the transport unit
using water.
4. Replace the pick-up, paper feed, and separation rollers of each
feed station.
PREVENTIVE MAINTENANCE SCHEDULE
4-45