2. Preventive Maintenance Tables
Maintenance Tables
Preventive Maintenance Items
Yield Parts
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: 2 copies / original (prints/job)
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
Item 45K 60K 90K 120K 240K EM Remarks
Scanner
Exposure Glass C
Ricoh exposure
glass cleaner
ADF Exposure Glass C
Ricoh exposure
glass cleaner
PCDU
PCDU R
Transfer
Image Transfer Belt (R)
Paper Transfer Roller Unit (R)
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