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Troubleshooting
● Code : B-4 ● Vertical White Band for copy job
● Symptom :
-. Vertical White Band for Copy Job
● Possible Cause:
1. There is a contaminant on Scanner optical path.
2. Scanner is defective.
● Troubleshooting method :
(1) If there is a contaminant on scan glass. Clean it.
(2) If the problem persists, replace the sensor or scanner unit.
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