Samsung CLX-8540ND Service Manual page 336

● Code : B-3
● Symptom :
-. Vertical Moving White Band
● Possible Cause:
There is a contaminant between Mag. Roller and Doctor Blade.
● Troubleshooting method :
(1) Check if there is a contaminant between Mag. Roller and Doctor Blade. Remove it with OHP film.
(2) If the problem persists, replace the imaging unit.
Troubleshooting
● Vertical Moving White Band
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