Samsung CLP670N
- Code: 04-001, 04-002
- Display: Error: #04-001. Turn off then on. Error: #04-002. Turn off then on.
- Description: Laser beam detect signal has not occurred or is irregular. LSU motor does not operate.
- Causes: 1. Harness is defective, Connector is not connected properly. 2. LSU is defective. 3. Main Board is defective.
- Remedy: 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.
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