9810-039
Dirty Black Bars Appear on the Left and Right Edges of Paper
Both sides of the pressure belt are dirty. Clean the pressure belt.
← Feeding Direction
Remedy
Clean the pressure belt.
Press
→ [Adjustment/Maintenance] → [Maintenance] → [Clean Belt].
"Settings/Registration" > "Adjustment/Maintenance" > <Maintenance>in the User's Guide > see the subsection "Clean Belt"