1.SC Codes
50
Inspect and reconnect the polygon harness between the laser unit and the BiCU.
2. Polygon mirror motor (BLM13) or polygon motor driver defective
Replace the laser unit.
3. BiCU defective (polygon signal, image processing IC defective)
Replace the BiCU.
4. Polygon harness defective
Replace the harness between the laser unit and the BiCU.
SC220-00
Error Name
Leading Edge: LD1 Synchronization Detection Error
Pattern
D
Error Condition
The synchronization detection signal (writing scan period signal) cannot be received.
(LD is not lit/ the synchronization detection signal cannot be detected)
Major Cause
Laser unit is defective.
Solution
1. Check for condensation around the laser unit.
If there is condensation around the laser unit, wait until the condensation disappears. Then check if
the SC reoccurs.
(Within 2 hours under the recommended installation conditions)
2. If there is no condensation around the laser unit or if the SC reoccurred in Step 1, replace the laser
unit.
SC230-01
Error Name
FGATE ON Error
Pattern
D
Error Condition
Write starting signal did not turn ON even at the time to start writing.
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