5. Troubleshooting When Using the
Scanner Function
This chapter describes likely causes of and possible solutions for scanner function problems.
Messages Displayed When Using the Scanner
Function
This section describes the principal messages that appear on the display panel and the client computer.
If other messages appear, follow their instructions.
Messages Displayed on the Control Panel When Using the Scanner Function
This section describes likely causes of and possible solutions for the error messages that appear on the
control panel. If a message not described here appears, act according to the message.
Message Causes Solutions
"Authentication has failed." The entered login user name
or login password is not
correct.
Contact the user administrator.
"Authentication has failed." The machine cannot perform
authentication.
Contact your administrator.
"Authentication with the
destination has failed. Check
settings. To check the current
status, press [Scanned Files
Status]."
The entered user name or
password was invalid.
• Check that the user name and
password are correct.
•
Check that the ID and password
for the destination folder are
correct.
• A password of 128 or more
characters may not be
recognized.
"Cannot communicate with
PC. Contact the
administrator."
WSD (Device) protocol or
WSD (Scanner) protocol is
disabled.
Contact your administrator.
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