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2-56 Service Manual
5016-001
C The fuser drive system is operating properly and the cam disk is
not turning.
FRU Action
1Contact Cam
Solenoid
CRF Cable
Engine Board
Check the solenoid for proper operation,
making sure it picks during POR cycle.
Disconnect the solenoid and check the
resistance on the solenoid cable. It should
measure approximately 65 ohms. If incorrect,
replace the solenoid.
Check the voltages on the solenoid cable
connector.
Check the following voltages on the contact
cam solenoid cable connector:
Pin # Signal Voltage Voltage
Voltage Static Picked
1 (Red) +24 V dc +24 V dc +24 V dc
2 (Black) -SL2ON +24 V dc 0 V - +24 V dc
Note: All voltages are approximate.
If the voltage on Pin 1 is incorrect, check
continuity of the CRF cable to the cam
solenoid.
• If incorrect, replace the cable.
• If correct, replace the engine board.
2 Motor Mounting Stay
Assembly
Check the clutch spring, clutch boss, clutch
disk and gear C4 for signs of wear, broken
teeth or binds. Repair or replace the motor
mounting stay assembly if a problem is found.