8R1S-01J
Many streaks that are perpendicular to the direction of feed appear in the printout
Color displacement has occurred in the printout.
← Feeding Direction
Remedy
Correct the color displacement.
Press 
→ <Adjustment/Maintenance> → <Adjust Image Quality> → <Special Smoothing>.
→ <Adjustment/Maintenance> → <Adjust Image Quality> → <Special Smoothing>.
"Settings/Registration" > "<Adjustment/Maintenance>" > "<Adjust Image Quality>" in the User's Guide > see the subsection "<Special Smoothing>"