Brother MFC-7840N Network User's Manual page 31

DNS Server
Primary DNS Server IP Address
This field specifies the IP address of the primary DNS (Domain Name System) server.
Secondary DNS Server IP Address
This field specifies the IP address of the secondary DNS server. It is used as a backup to the Primary DNS
server address. If the Primary server is unavailable, the machine will contact the Secondary DNS server. If
you have a primary DNS server, but no secondary DNS server, simply leave this field blank.
a
Press Menu.
b
Press a or b to choose LAN.
Press OK.
c
Press a or b to choose TCP/IP.
Press OK.
d
Press a or b to choose DNS Server.
Press OK.
e
Press a or b to choose Primary or Secondary.
Press OK.
f
Press 1 to choose Change.
g
Enter the DNS Server address.
Press OK.
h
Press Stop/Exit.
Control panel setup
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