OKI 2400 用户手册

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Preventive Maintenance
6-1
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6.  Preventive Maintenance
This chapter describes procedures for printer preventive 
maintenance. Following these recommendations can help prevent 
problems and maintain optimum performance.
Lubrication
Warning: Petroleum-based lubricants can attack polycarbonate 
parts causing premature failure. Use only mineral oil-based 
lubricants.
The following parts should be lubricated when replaced:
Oil felt (carrier block) 
Tractor unit 
Side frame (left) 
Side frame (right) 
Pinch roller (lower) 
Pinch roller spring (left) 
Pinch roller spring (center)
Pinch roller spring (right) 
Paper separator
Specified Lubricants
Oil - P/N 1280443 
Approved equivalents:
– Mobil DTE27 
– Shell Tellus 100
– Fuchs Renolin MR30 
Grease - P/N 6934659
Approved equivalent:
– Mobil 28