December 2006
4-3
WorkCentre M20, 4118, FaxCentre 2218 Family
REP 1.1
Repairs and Adjustments
REP 1.1 SMPS + HVPS (M20F)
Parts List on PL 1.12
Removal
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.
WARNING
Take care during this procedure. Sharp edges may be present that can cause injury.
CAUTION
Before performing this procedure, refer to General Disassembly Precautions, GP 10.
NOTE: If necessary, refer to GP 20 for the acronym list and cross reference lists of more com-
monly recognised part names.
1. Remove the MEA unit - cover PA exit assembly, REP 10.3.
2. Remove the IPR - shield SMPS upper, Figure 1.
Figure 1 IPR - shield SMPS upper removal
3. Disconnect the following connectors from the SMPS + HVPS:
•CON2
• CON102
• CON101
• CON103
• OPC (green wire, blue shield)
• THV (red wire, blue shield)
•MHV
4. Remove the SMPS + HVPS, Figure 2.
Figure 2 SMPS + HVPS removal
Replacement
Replacement is the reverse of the removal procedure. Ensure both ground harnesses are
reconnected to the IPR - shield SMPS upper.
Remove 3 screws, then the
IPR - shield SMPS upper.
Disconnect the inline
connector.
2
Remove the SMPS +
HVPS.