Ricoh Pro C550EX Operating Instructions And Troubleshooting page 33

Problem
A moire pattern is produced
on copies.
Black spots appear on the
copy of a photographic print.
Cause
Your original has a dot
pattern image or many lines.
Because of high humidity, the
photographic print has stuck
to the exposure glass.
When You Cannot Make Clear Copies
Solution
Place the original on the exposure glass
at a slight angle.
Place the print on the exposure glass in
either of the following ways:
• Place an OHP transparency on the
exposure glass, and then place the
print on the OHP transparency.
• Place the print on the exposure
glass, and then place two or three
sheets of white paper on it. Leave
the ADF open when copying.
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