Problem Causes Solutions
Duplex printing is
malfunctioning.
You have loaded thick
paper heavier than 105 g/
m
2
(28 lb.).
Change the paper.
Duplex printing is
malfunctioning.
"Apply Duplex" is set to [No]
for "Paper Type".
In [Tray Paper Settings], under "Paper
Type" set "Apply Duplex" to [Yes]. For
details, see "Tray Paper Settings",
Network and System Settings
Reference .
Duplex printing is
malfunctioning.
You have selected a paper
type that cannot be used for
duplex print.
In [Tray Paper Settings], select a paper
type that can be used for duplex print.
For details about the paper types that
can be used, see "Duplex Copying",
Copy and Document Server Reference
.
The image on the back side
of duplex printings 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
temperature.
•
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.
White stripes appear on the
OHP.
Fragments of paper are
stuck to the OHP.
Use a dry cloth to wipe any paper
fragments off the back of the OHP.
Other printing problems
Problem Causes Solutions
It takes a long time to
complete a print job.
"Sleep mode" might be set. The machine requires time to warm up
if it has been in "Sleep mode". In
[System Settings], under [Timer
Settings], select [Auto Off Timer], and
then specify "Sleep mode".
Other Printing Problems
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