Kyocera KM-5050 Operation Manual page 176

Troubleshooting
Symptom
While the operation
panel was being used,
the keys locked up
and do not respond
when pressed.
Cannot display a
preview.
Cannot print with USB
memory.
6-4
Checkpoints
Is the operation panel
locked?
Have you selected high
compression PDF for the file
format?
Was the USB memory
formatted with a machine
other than this machine?
Corrective Actions
Check the panel lock setting in
COMMAND CENTER and change
the setting if necessary.
Select a file format other than high
compression PDF.
Format the USB memory with this
machine.
Reference
Page
COMMAND
CENTER
Operation
Guide
—
3-51
OPERATION GUIDE