911-Main Motor (Mm) Service Check - Lexmark C720 Service Manual

5024-001
911—Main Motor (MM) Service Check
FRU
1 OPC Belt Print
Cartridge
2 Fuser Unit
3
Action
Check the OPC belt cartridge for any
rotation.
If the main motor (MM) attempts to turn
but the OPC belt cartridge does not,
replace the OPC belt cartridge.
Note: The OPC belt cartridge is a
customer order supply.
Check the fuser for any rotation.
If the main motor (MM) attempts to turn
but the fuser does not, replace the fuser
unit.
Note: The fuser unit is a customer order
supply.
If an '82 PC Missing' error is displayed,
while diagnosing the main motor (MM),
ensure the connector (CN1) on the main
motor (MM) and connector ECN12 on the
IOD2 P.W.B. board are firmly connected.
Ensure the connectors ECN1, ECN2 on
the IOD2 P.W.B. board, DCN10 on the
IOD1 and 12CN on the main engine
(MCTL P.W.B.) board are firmly
connected.
Replace any damaged part.
Diagnostic Information
2-47