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User's Guide
Code
Problem
411
A DNS error has occurred.
412
An authentication error has occurred.
413
A communication error has occurred.
421
A DNS error has occurred.
422
An authentication error has occurred.
423
A communication error has occurred.
425
There is not enough storage space available in the
forwarding destination folder.
Solving Problems
Solution
❏ Select Settings > General Settings > Network
Settings > Advanced > TCP/IP, and then check
the DNS settings.
❏ Check the DNS settings for the server, the
computer, or the access point.
❏ If the problem cannot be cleared, contact your
printer administrator.
Select Settings > General Settings > Network
Settings > Advanced > Email Server > Server
Settings, and then check the server settings.
If the problem cannot be cleared, contact your
printer administrator.
❏ Select Settings > General Settings > Network
Settings > Advanced > Email Server > Server
Settings to check the email server settings. You
can check the cause of the error by running
connection check.
❏ The authentication method of the settings and
the email server may not match. When you select
Off as the authentication method, make sure the
authentication method of the email server is set
to None.
❏ Print a network connection report to check if the
printer is connected to the network.
If the problem cannot be cleared, contact your
printer administrator.
❏ Select Settings > General Settings > Network
Settings > Advanced > TCP/IP, and then check
the DNS settings.
❏ Check the DNS settings for the server, the
computer, or the access point.
❏ If the problem cannot be cleared, contact your
printer administrator.
Select Settings > General Settings > Fax Settings >
Receive Settings > Save/Forward Settings, and
then check the settings of the folder selected in
Destination.
❏ Print a network connection report to check if the
printer is connected to the network.
❏ Select Settings > General Settings > Fax
Settings > Receive Settings > Save/Forward
Settings, and then check the settings of the
folder selected in Destination.
❏ If the problem cannot be cleared, contact your
printer administrator.
Increase the storage space in the forwarding
destination folder.
193
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