Troubleshooting
6-4 OPERATION GUIDE
While the operation
panel was being used,
the keys locked up
and do not respond
when pressed.
Is the operation panel
locked?
Check the panel lock setting in
EWS (Embedded Web Server) and
change the setting if necessary.
EWS
(Embedded
Web Server)
Operatio
Cannot display a
preview.
Have you selected high
compression PDF for the file
format?
Select a file format other than high
compression PDF.
—
Cannot print with USB
memory.
Was the USB memory
formatted with a machine
other than this machine?
Format the USB memory with this
machine.
3-56
Symptom Checkpoints Corrective Actions
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