Ricoh VT2250 Operator's Manual page 163

TROUBLESHOOTING
If there is no margin or if there is a solid image area near the leading edge of
the original, make a margin of at least 5 mm, 0.2" at the leading edge. Other -
wise, the paper exit pawl might become dirty and cause black lines on prints.
Check the following parts and clean them if they are dirty.
Platen cover. (
Exposure glass. (
When black lines or stains still appear on prints even if you clean the above,
contact your service representative.
155
Black line/stain
See page 126.)
See page 126.)