97Y4-03R
Paper appears dirty or dented
The output tray moved up/down while long sheet paper is stacked on the tray.
← Feeding Direction
* Back side
Remedy
When using long sheet paper, remove the output immediately after the job is finished.
Have 1 long sheet placed on the tray before making an output.
"Options" > "Optional Equipment" > "Long Sheet Tray-B"