Ricoh G148, Service Manual

Page: 122 / 537

2. Preventive Maintenance
PM Tables
The amounts mentioned (K=1,000) as the PM interval indicate the number of prints or copies unless stated
otherwise. These numbers are based on the PM counter.
Symbol key: C: Clean, R: Replace, L: Lubricate, I: Inspect, EM: Emergency Maintenance
• Turn off the power switch and unplug the power cord before performing any procedure in this section.
Laser beams can seriously damage the eyes.
Main Machine
300K 450K 600K Exp. K Note
AROUND THE DRUM
Charge Corona Grid R R 450 Blower brush.
Charge Corona Wire R C R 450 Alcohol, or clean damp cloth.
Charge Wire Cleaning Pad R R 450
Cleaning Blade R R 500
Cleaning Brush R R 500
Charge Corona Casing C C Alcohol, or clean damp cloth.
Internal Dust Filter C C C Blower brush.
ID Sensor C C C
Blower brush. Do SP 3001 002 after
cleaning.
Pick-off Pawls I I Replace if necessary.
Potential Sensor C C C Blower brush.
OPC Drum 1,200 Replace at
Quenching Lamp C C C
Transfer Entrance Stay C C C Dry cloth.
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