Brother MFC 8480DN - Manual (Page 131)

Firewall settings (For Network users)
123
7
Windows Vista
®
7
a Click the Start button, Control Panel, Network and Internet, Windows Firewall and click
Change settings.
b When the User Account Control screen appears, do the following.
„ For users who have administrator rights: Click Continue.
„ For users who do not have administrator rights: Enter the administrator password and click OK.
c
Make sure that Windows Firewall on the General tab is set to On.