Sender (Client)
Use
Destination
(Server)
Protocol
Port Number
Printer
Email sending (When email
notification is used from the printer)
SMTP server
SMTP (TCP)
25
SMTP SSL/TLS
(TCP)
465
SMTP STARTTLS
(TCP)
587
POP before SMTP connection (When
email notification is used from the
printer)
POP server
POP3 (TCP)
110
Control WSD
Client computer
WSD (TCP)
5357
Client computer
File sending (When FTP printing is
used from the printer)
Printer
FTP (TCP)
20
21
Discover the printer from an
application such as EpsonNet Config
and printer driver.
Printer
ENPC (UDP)
3289
Collect and set up the MIB information
from an application such as EpsonNet
Config and printer driver.
Printer
SNMP (UDP)
161
Forwarding LPR data
Printer
LPR (TCP)
515
Forwarding RAW data
Printer
RAW (Port9100)
(TCP)
9100
Forwarding AirPrint (IPP/IPPS printing)
data
Printer
IPP/IPPS (TCP)
631
Searching WSD printer
Printer
WS-Discovery
(UDP)
3702
Web Config
Printer
HTTP(TCP)
80
HTTPS(TCP)
443
Administrator's Guide
Appendix
75