Epson WF-C878R Series User Manual page 253

Solving Problems
Code Problem
311 A DNS error has occurred.
312 An authentication error has occurred.
313 A communication error has occurred.
314 The data size exceeds the maximum size for attached
files.
315 The memory is full.
316 A mail encryption error has occurred.
317 A mail signature error has occurred.
321 A DNS error has occurred.
322 An authentication error has occurred.
323 A communication error has occurred.
324 A file with the same name already exists in the
specified folder.
>
The Printer Does Not Work as Expected
>
Error Code is Displayed on the Status Menu
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.
Select Settings > General Settings > Network
Settings > Advanced > Email Server > Server
Settings, and then check the server settings.
❏ Print a network connection report to check if the
printer is connected to the network.
❏ 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.
❏ Increase the Attached File Max Size setting in
the scan settings.
❏ Lower the scanning resolution or increase the
compression ratio to reduce the size of the
scanned image.
Retry after other ongoing jobs are finished.
❏ Make sure that the encryption certificate setting
is correct.
❏ Make sure that the printer's time setting is correct.
❏ Make sure that the signing certificate setting is
correct.
❏ Make sure that the printer's time setting is correct.
❏ 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.
Check the Location settings.
❏ Check the Location settings.
❏ Print a network connection report to check if the
printer is connected to the network.
❏ Delete the file with the same name.
❏ Change the file name prefix in File Settings.
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