Ricoh MP 1813L Operating Instructions Manual page 78

3. Troubleshooting
Problem
Copies are blank.
A moire pattern is produced on
copies.
R
76
Causes
The original is not placed
correctly.
Your original has a dot pattern
image or many lines.
Solutions
When using the exposure glass,
place originals face down.
When using the ADF, place
them face up. See page 33
"Placing Originals".
Place the original on the
exposure glass at a slight angle.