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2. Preventive Maintenance
Preventive Maintenance
Preventive Maintenance Items
Preventive Maintenance Items
Yield Parts
Some of the parts mentioned in these tables have a target yield. However, the total copy/print volume
made by the machine will not reach the target yield within the machine's targeted lifetime if the machine
is used under the target usage conditions (ACV, color ratio, P/J, and C/O). So, these parts are
categorized not as PM parts but as yield parts (EM parts). The parts with "(R)" in this table are yield
parts.
Chart: A4 (LT)/5%
Mode: 4 copies / original (prints/job)
Ratio 30%
Environment: Normal temperature and humidity
Yield may change depending on circumstances and print conditions.
Symbol keys: C: Clean, R: Replace, L: Lubricant, I: Inspect
Mainframe
Yield
Item
parts
Scanner
Exposure Glass
120K
300K
400K
C
600K
EM
Remarks
Clean with a
cleaning cloth.
Do not clean
with alcohol.
C
Doing so may
leave a whitish
trace that affects
image scanning.
77
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Troubleshooting
