Samsung CLX-6250FX Service Manual page 116

● 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