Drum Warning Rap; Replace Drum Rap - Xerox WorkCentre M20 Service Manual

9.3 Drum Warning RAP

The drum cartridge is near the end of the design life. The message indicates that the drum has
reached 18,000 print pages. The drum life is 20,000 print pages.
Procedure
WARNING
Switch off the electricity to the machine. Disconnect the power cord from the customer
supply while performing tasks that do not need electricity. Electricity can cause death or
injury. Moving parts can cause injury.
NOTE: If necessary, refer to GP 20 for the acronym list and cross reference lists of more com-
monly recognised part names.
1. No immediate action is necessary. Ensure that a replacement cartridge is in stock, ELA -
OPC unit set, PL 9.10 Item 1.
Status Indicator RAPs
9.3, 9.4

9.4 Replace Drum RAP

The drum cartridge has reached the end of the design life of 20,000 print pages.
Procedure
Switch off the electricity to the machine. Disconnect the power cord from the customer
supply while performing tasks that do not need electricity. Electricity can cause death or
injury. Moving parts can cause injury.
NOTE: If necessary, refer to GP 20 for the acronym list and cross reference lists of more com-
monly recognised part names.
Refer to Wiring Diagram 1 and Wiring Diagram 4. Perform the following:
1. Install a new ELA - OPC unit set, PL 9.10 Item 1.
2. Go to GP 1. Perform the OPC Fuse State test and the OPC Fuse Check test.
3. Check for continuity between the spring contacts at the rear PMO frame main, PL 4.15
Item 11, and CN22 on the PBA main, PL 1.10 Item 9.
4. If the message persists, install a new PBA main, PL 1.10 Item 9.
March 2004
2-10
WARNING
Work Centre M20 Family