Ricoh 920F Operating Instructions Manual page 1242

Problem
Images appear only partially. The paper is damp.
White lines appear.
Copies are blank.
A moiré pattern is produced
on copies.
Black spots appear on the
copy of a photographic print.
Cause
The exposure glass or
scanning glass is dirty.
The original is not set
correctly.
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
• Do not install the machine in areas
that are susceptible to low
temperatures.
• Use paper that has been stored in
the recommended temperature
and humidity condition. For details
about the proper way to store it,
see "Paper Storage", About This
Machine .
Clean them. See "Maintaining Your
Machine", About This Machine
When using the exposure glass, face the
originals down. When using the ADF,
face them up. See "Placing Originals",
Copy Reference .
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 exposure glass cover or ADF
open when copying.
2
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