HP C30 - TAG 751: Main Drive Motor Runs Continuously

TAG 751: Main Drive Motor Runs Continuously
June 1999 Troubleshooting Analysis Guide (TAGs) 3-141
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.