Ricoh C9020L Operating Instructions Manual page 172

2. Troubleshooting When Using the Copy Function
Problem
Copies are too light.
2
Parts of images are not
copied.
Parts of images are not
copied.
Images appear only partially. The paper is damp.
Black lines appear.
White lines appear.
White lines appear.
Copies are blank.
A moiré pattern is produced
on copies.
30
Cause
A light copy may result when
you use damp or rough grain
paper.
The original is not set
correctly.
The correct paper size is not
selected.
The exposure glass or
scanning glass is dirty.
The exposure glass or
scanning glass is dirty.
The dustproof glass is dirty.
The original is not set
correctly.
Your original has a dot
pattern image or many lines.
Solution
Use recommended paper only and be
sure its storage environment meets the
recommended temperature and
humidity conditions. For details about
recommended paper and the proper
way to store it, see "Recommended
Paper Sizes and Types" and "Paper
Storage", About This Machine
Set originals correctly. See "Placing
Originals", Copy Reference
Select the proper paper size.
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
Clean them. See "Maintaining Your
Machine", About This Machine
Clean the dustproof glass. See
"Cleaning the Dustproof Glass", About
This Machine .
When using the exposure glass, face the
originals down. When using the ADF,
face them up.
Place the original on the exposure glass
at a slight angle.
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