Samsung CLX-8540ND Service Manual page 255

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● Troubleshooting method :
4. If the harness is OK, enter the EDC mode and execute the BLDC ITB Motor test. If the BLDC motor
does not operate, replace it.
[How to replace the BLDC motor]
① Unplug the harness (10 pin) carefully.
② Remove 4 screws. Replace the BLDC Motor Ass'y.
BLDC ITB Motor
5. If the problem persists after replacing the BLDC ITB Motor, replace the Engine Board.
Troubleshooting
4-93

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