Lsu Error: #04-001. Please Turn Off Then On; Lsu Error: #04-002. Please Turn Off Then On; Lsu Error: #04-008. Please Turn Off Then On - Samsung CLX-6220 Troubleshooting Manual

Code
04-001
04-002
04-008
Symptom
Laser beam detect signal has not occurred or is irregular.
LSU motor does not operate.
Possible Cause
1. Harness is defective, Connector is not connected properly.
2. LSU is defective.
3. Main Board is defective.
Troubleshooting method
1. Check the LSU connector on Main PBA. Reconnect it. If necessary, replace it.
2. If the problem persists, replace the LSU or Main PBA.
Service Manual
Alignment & Troubleshooting
Error message

LSU error: #04-001. Please turn off then on.

LSU error: #04-002. Please turn off then on.

LSU error: #04-008. Please turn off then on.

CN10/11 CN10/11
LSU LD, Hsync LSU LD, Hsync
Connector Connector
4-45
CN15 CN15
LSU Motor LSU Motor
Connector Connector
Samsung Electronics