Messages Displayed on the Control Panel When Using the Printer Function
This section describes likely causes of and possible solutions for the error messages that appear on the
control panel.
• Before turning the main power switch off, see "Turning On/Off the Power", About This Machine.
Message Causes Solutions
"Authentication has failed." The entered login user name
or login password is not
correct.
Ask the user administrator for the
correct login user name and login
password.
"Authentication has failed." The machine cannot perform
authentication.
Contact your administrator.
"Cannot connect with the
wireless card. Turn the main
power switch off, then check
the card."
• The wireless LAN
board was not inserted
when the machine was
turned on.
• The wireless LAN
board was pulled out
after the machine was
turned on.
• The settings are not
updated although the
unit is detected.
Turn off the main power switch, and
then check the wireless LAN board is
inserted correctly. And then, turn on the
main power switch again. If the
message appears again, call your
service representative.
"Cannot display files from
the selected memory
device."
The memory device used
cannot be recognized.
For details about the recommended
memory devices for the Direct printing
function from removable memory
devices, contact your sales or service
representative. The USB flash memory
that features password protection or
other security features may not work
normally.
"Hardware Problem:
Ethernet"
An error has occurred in the
Ethernet interface.
Turn off the main power switch, and
then back on again. If the message
appears again, contact your service
representative.
4. Troubleshooting When Using the Printer Function
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