8R1U-022
Two-Sided Printing Images Appear Dirty After a Large Amount of One-Sided Continuous Feeding
The fixing pressure roller is dirty. Clean the fixing pressure roller.
← Feeding Direction
Remedy
Clean the fixing pressure roller.
Press
→ <Adjustment/Maintenance> → <Maintenance> → <Clean Pressure Roller for Fixing>.
"Settings/Registration" > "<Adjustment/Maintenance>" > "<Maintenance>" in the User's Guide > see the subsection "<Clean Pressure Roller for Fixing>"