4WK7-05A
Scrape-Like Marks Appear Due to Uneven Density
The speed of long sheet conveyance is not suitable. Check the solutions below.
← Feeding Direction
Remedy
To improve this situation, adjust each value of the following five items toward the plus end equally.
<Ppr. Convey. in 1st Fix Area>
<Adj. Tandem Area Ppr. Conv.>
<Ppr. Convey. in 2nd Fix Area>
<Ppr. Convey. in Bypass Area>
<Ppr Convey in Inv/Outp 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. If a paper jam occurs, see "Frequent Paper Jams of Long Sheet Occur on a Specific Location."
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 the five items that need adjustment to adjust each value 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 the five items that need adjustment to adjust each value toward the plus end equally.
"Paper Type Management" > "Paper Conveyance Adjustment" in the User's Guide > see the following sections"Adjusting Speed of Paper Conveyance in 1st Fixation Area"
"Adjusting Speed of Paper Conveyance in Tandem Area"
"Adjusting Speed of Paper Conveyance in 2nd Fixation Area"
"Adjusting Speed of Paper Conveyance in Bypass Area"
"Adjusting Speed of Paper Conveyance in Invert/Output Area"