Problem Causes Solutions
The image on the back side
of duplex copies has mottled
blank patches or is
smudged.
Missing patches and
smudges are caused by
moisture leaking from the
paper.
• Do not install the machine in
areas that are susceptible to low
temperatures.
•
Use paper that has been stored
where temperature and humidity
conditions meet the limitations we
recommend. For details about the
paper storage conditions we
recommend, see "Paper Storage",
About This Machine.
2. Troubleshooting When Using the Copy/Document Server Function
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