Messages Explanation
An error occurred while connecting to
POP3 server. Check the followings. -
POP3 Server Address - DNS Server
This message appears when
❏ Connecting to a DNS server failed
❏ Name resolution for an POP3 server failed
SMTP server authentication error.
Check the followings. - Authentication
Method - Authenticated Account -
Authenticated Password
This message appears when SMTP server authentication failed.
POP3 server authentication error.
Check the followings. - Authentication
Method - Authenticated Account -
Authenticated Password
This message appears when POP3 server authentication failed.
Unsupported communication method.
Check the followings. - SMTP Server
Address - SMTP Server Port Number
This message appears when you try to communicate with unsupported protocols.
Connection to SMTP server failed.
Change Secure Connection to None.
This message appears when an SMTP mismatch occurs between a server and a
client, or when the server does not support SMTP secure connection (SSL
connection).
Connection to SMTP server failed.
Change Secure Connection to SSL/TLS.
This message appears when an SMTP mismatch occurs between a server and a
client, or when the server requests to use an SSL/TLS connection for an SMTP
secure connection.
Connection to SMTP server failed.
Change Secure Connection to
STARTTLS.
This message appears when an SMTP mismatch occurs between a server and a
client, or when the server requests to use an STARTTLS connection for an SMTP
secure connection.
The connection is untrusted. Check the
following. - Date and Time
This message appears when the printer’s date and time setting is incorrect or the
certicate has expired.
The connection is untrusted. Check the
following. - CA Certicate
This message appears when the printer does not have a root certicate
corresponding to the server or a CA Certicate has not been imported.
The connection is not secured. This message appears when the obtained certicate is damaged.
SMTP server authentication failed.
Change Authentication Method to
SMTP-AUTH.
This message appears when an authentication method mismatch occurs between
a server and a client. The server supports SMTP AUTH.
SMTP server authentication failed.
Change Authentication Method to
POP before SMTP.
This message appears when an authentication method mismatch occurs between
a server and a client. The server does not support SMTP AUTH.
Sender's Email Address is incorrect.
Change to the email address for your
email service.
This message appears when the specied sender’s Email address is wrong.
Cannot access the printer until
processing is complete.
This message appears when the printer is busy.
Related Information
& “Checking an Email Server Connection” on page 73
User's Guide
Appendix
282
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