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Diagnostic Information 2-5
4096-00X
Service Checks
Carrier Transport Service Check
FRU Action
1 System Board Check the motor for binds, or loose motor pulley.
Turn the printer off and disconnect N6 from the
system board. Check for motor pins shorted to the
motor housing. If you find a pin shorted to the
housing, replace the motor. If the failure remains,
replace the system board.
2 Carrier Transport
Motor
A noisy or chattering motor or a motor that fails to
turncanbecausedby:
• An open or short in the motor.
• An open or short in the motor driver on the
system board.
• A bind in the carrier transport mechanism.
With the carrier transport motor cable
disconnected from the system board, check for
zero to ten (0 - 10) ohms between the following
pins on the motor:
N6-1 and N6-2
N6-3 and N6-4
If the readings are incorrect, replace the motor.
3 Carrier Guide Rod Clean the carrier rod.
Note: Lubricate the carrier guide rod and the
carrier rod bearing surface with grease P/N
1329301.
4 Carrier Transport
Belt
Idler Pulley Parts
Carrier Frame
Check for worn, loose or broken parts. Check for
obstructions blocking carrier movement.
Carrier to carrier frame engagement should be
lubricated with grease P/N 1329301.