980Y-051
Thin Lines Like Pressing Marks or Crease-Like Marks Appear on the Tail Edge Side
The speed of paper conveyance is not suitable. Check the solutions below.
Thin lines like pressing marks appear on the tail edge side.
← Feeding Direction
Crease-like marks appear on the tail edge side.
← Feeding Direction
Remedy
To improve this situation, adjust each value of the following three items under [Adjust Paper Conveyance] toward the plus end equally.
<Fixing Area>
<Cooling Area>
<Inversion/Output Area>
IMPORTANT
This function may affect how paper is fed. Since increasing the value to a great extent may cause paper jams, we recommend adjusting the values in small increments.
Press 
→ [Preferences] → [Paper Settings] → [Paper Type Management Settings] → select the type of paper you are using that is having this problem → press [Details/Edit] → [Change] for [Adjust Paper Conveyance] → adjust the three items that need adjustment toward the plus end equally.
→ [Preferences] → [Paper Settings] → [Paper Type Management Settings] → select the type of paper you are using that is having this problem → press [Details/Edit] → [Change] for [Adjust Paper Conveyance] → adjust the three items that need adjustment toward the plus end equally.
"Paper Type Management Settings" > "Paper Conveyance Adjustment" in the User's Guide