Samsung CLX-8540ND Service Manual page 302

Troubleshooting
● Code :11-003 ● Error message : Scanner locking switch is locked or another problem occurred
● Symptom : Scanner locking switch is locked or Home checking is abnormal.
● Possible Cause:
1. Scanner locking switch is locked.
2. Scan motor is broken away.
3. Home sensor is defective.
● Troubleshooting method :
1. Unlock the locking switch.
Locking switch
2. Check if the scan motor is assembled and the harness is connected properly.
Motor
3. Check if there is any problem between the CCDM and the shaft.
Shaft
CCDM
4. Check if the scan home sensor is operated properly. (service Manual 2.3.3.7 Sensor 48)
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