Konica Minolta Magicolor 2550 - Manual (Page 143)

Network Printing 127
Port 9100
When printing through a network, TCP/IP port number 9100 can be used to
send raw data.
SMB
SMB (Server Message Block) is a protocol for sharing resources on the net-
work, such as files and printers, in a Windows environment.
If the Samba server software is used on Linux or UNIX, services using SMB
can be shared.
SMTP
SMTP (Simple Mail Transfer Protocol) is a protocol for sending e-mail.
This protocol was originally used to send e-mail between servers; however,
currently client e-mail software, which use POP, also use it to send e-mail to
servers.