Lubrication - OKIDATA ML320 Turbo Service Manual

5.2 Lubrication

This printer is designed to be maintenance free and requires no lubrication during normal operation.
However it is necessary to apply lubricant if the printer is disassembled, reassembled, cleaned, or if parts
have been changed.
(1) Cleaning time
Remarks:
1) Turn off the power before cleaning.
2) Make sure that paper dust does not fall inside of the machine.
- Cleaning period:
6 months of operation or 300 hours of operation, whichever is earlier.
- Cleaning points:
Carriage shaft and surroundings: Remove paper and ribbon dust.
Paper path: Clean stains and dusts.
Paper End sensor Remove the dust on the sensor.
(2) Lubricant
- Pan motor oil (or equivalent): PM
- Molicort (or equivalent): EM-30L
(3) Amount of lubricant
- Medium amount A : Apply three to four drops of oil, or 0.008 inch (0.2 mm) thick grease.
- Small amount B : Apply one drop of oil (0.006±0.002 g)
(4) Areas to Avoid
Service Guide ML320/321Turbo
Chapter 5 Periodical Maintenance
Page: 49