Epson WF-7840 Series User Manual

Messages Cause
SMTP server communication error.
Check the following. - Network
Settings
This message appears when
❏ The printer is not connected to a network
❏ SMTP server is down
❏ Network connection is disconnected while communicating
❏ Received incomplete data
POP3 server communication error.
Check the following. - Network
Settings
This message appears when
❏ The printer is not connected to a network
❏ POP3 server is down
❏ Network connection is disconnected while communicating
❏ Received incomplete data
An error occurred while connecting to
SMTP server. Check the followings. -
SMTP Server Address - DNS Server
This message appears when
❏ Connecting to a DNS server failed
❏ Name resolution for an SMTP server failed
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
certicate
has expired.
The connection is untrusted. Check the
following. - CA
Certicate
This message appears when the printer does not have a root certicate
corresponding to the server or a CA
Certicate
has not been imported.
The connection is not secured. This message appears when the obtained certicate is damaged.
Administrator Information > Settings to Use the Printer > Conguring a Mail Server
355

Epson WF-7840 Series Specifications

General

Print Resolution	4800 x 2400 dpi
Max Print Size	13" x 19"
Duplex Printing	Yes
Scanner Type	Flatbed, ADF
Scan Resolution	1200 x 2400 dpi
Connectivity	USB, Ethernet, Wi-Fi, Wi-Fi Direct
Display	4.3" Color Touchscreen
Category	Printer
Functions	Print, Copy, Scan, Fax
Maximum Paper Size	13" x 19"
Input Paper Capacity	250 sheets
ADF Capacity	50 sheets
Print Technology	PrecisionCore
Print Speed Black	25 ppm
Print Speed Color	12 ppm
Paper Capacity	250 sheets
Printing Technology	PrecisionCore
Mobile Printing	Apple AirPrint, Mopria Print Service, Epson Connect
Paper Sizes	A4, A5, Letter, Legal
Paper Capacity Maximum	500 sheets
Monthly Duty Cycle	50, 000 pages
Product Type	All-in-One Printer