Brother MFC-8870DW - Manual (Page 136)

Brother Internet Fax Printing Software
122
13
Changing the BFP Port Settings
If you have more than one networked machine with the print server you may want to change the settings of
the BFP software to use an alternative machine as the network fax print server.
To alter BFP settings, select Start/Printers and Faxes to
open the Printers dialogue box. Highlight Brother Internet
Fax and right click the mouse. From the list presented
select Properties.
You are now presented with the screen below, which allows
you to configure the BFP settings. To change the details of
the print server, select the Ports tab.