Engine Error - Samsung ML-920 Service Manual

Troubleshooting

Engine Error

4-37
Check
NO
CBF Harness-CN1
(Main B'D to
LSU)
YES
Check
Main B'D CN1-9,
NO
P_MOTOR Signal
( )
YES
Check
Main B'D CN1-8,
NO
LREADY Signal
( )
YES
Check
Main B'D CN1-4,
NO
LDON Signal
( )
YES
Check
Main B'D CN1-1,
NO
HSYNC Signal
( )
YES
END
Try again to connector or
Replace connector
Replace Main PBA
Replace LSU
Replace Main PBA
Replace LSU
Samsung Electronics