TAG 751: Main Drive Motor Runs Continuously

Error Code:

751

Possible Defects: Power control #2 board

Connectors or wiring

PCL board

1 Turn the printer off and unplug the power cord.

•Disconnect J/P12 and J/P40.

•Check P40-33 for continuity to ground.

Is there continuity?

No: Replace the power control #2 board. If this resolves the problem, turn to TAG 002: Check

&Problem Resolution. If this does not resolve the problem, replace the PCL board, then turn to TAG 002: Check & Problem Resolution.

Yes: Repair or replace the connectors or wiring from P40-33 to P12-7, then turn to TAG 002: Check & Problem Resolution.

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Troubleshooting Analysis Guide (TAGs)