Ricoh FW780 Service Manual - Page 93
Preventive Maintenance Schedule, PM table
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1. PREVENTIVE MAINTENANCE SCHEDULE 1.1 PM TABLE Symbol key: I=Inspect L=Lubricate R=Replace A=Adjust C=Clean EM A. Original Feed 1 First original feed roller 2 Second original feed roller 3 1st and 2nd press rollers 4 Original table B. Optics 1 Fiber optics array 2 Exposure lamp 3 Exposure glass C 4 Reflection plate C C. Development 1 Developer 2 Cartridge holder 3 Entrance seal 4 Development filter 2.1KM (3.6K) ( 4.3KM 6.4KM 8.6KM 10.8KM (7.2K) (10.8K) (14.4K) (18K) ) A1 sideways/D size Notes C C Alcohol Alcohol C C I C I C I Alcohol C C C C C Alcohol Clean with lens paper if necessary Clean using water if necessary C C C C C Water or alcohol C C C C C Alcohol Replace at 20K (A1 sideways/ D size) Clean using a dry cloth if necessary Clean using a dry cloth if necessary Clean at 60K (A1 sideways/ D size) D. Around drum 1 Corona wires C C C C R Dry cloth 2 Grid wires C C C C C Dry cloth 3 Charge corona end blocks and casing Dry cloth C C 4 Pre-transfer lamp C Clean using blower brush if necessary SM 4-1 A163