Epson EcoTank Pro ET-16680 Series User Manual page 238

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Solving Problems
Code
Problem
341
A communication error has occurred.
350
An FTPS/HTTPS certificate error has occurred.
401
There is not enough storage space available to save
the data in the memory device.
402
The memory device is write-protected.
404
The memory device has been removed.
405
An error occurred while saving the data to the
memory device.
411
A DNS error has occurred.
412
An authentication error has occurred.
413
A communication error has occurred.
421
A DNS error has occurred.
>
The Printer Does Not Work as Expected
>
Error Code is Displayed on the Status Menu
Solution
❏ Check the connections for the printer and the
computer. If you are connecting over a network,
print a network connection report to check if the
printer is connected to the network.
❏ Make sure that Document Capture Pro is installed
on the computer.
❏ Make sure that the date/time and time difference
settings are correct.
❏ Run Web Config, and then update the root
certificate.
❏ Run Web Config, and then import or update the
CA certificate.
If the error cannot be cleared, set the certificate
verification to off in the destination settings.
Increase the storage space in the memory device.
Disable write protection on the memory device.
Reinsert the memory device.
❏ Reinsert the memory device.
❏ Use a different memory device on which you have
created a folder using the Create a folder to save
fax data function.
❏ 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.
❏ 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.
❏ 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.
238

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