2. Preventive Maintenance
Preventive Maintenance
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).
Chart: A4 (LT)/5% image coverage ratio
Mode: 2 copies/original (prints/job)
Color ratio: 20%
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
The PM count for the following items is based on sheets of copy paper:
Item
PM
Parts
Cycle EM Remarks
Scanner
Exposure glass -
C
300K
C
Clean with a cleaning cloth.
Do not clean with alcohol. Doing so
may leave a whitish trace that affects
image scanning.
Sheet-through exposure
glass
-
C
300K
C
Clean with a cleaning cloth.
Do not clean with alcohol. Doing so
may leave a whitish trace that affects
image scanning.
PCDU
61
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