Brother DCP-L8400CDN Basic User's Manual page 126

Network difficulties
Difficulty
Cannot print and scan over a
network after completing the
software installation.
The network scanning feature
does not work.
The Brother software cannot be
installed.
118
Suggestions
When the Cannot print to the networked printer. screen appears, follow the on-
screen instructions.
If the problem is not solved, see Software and Network User's Guide.
®
(Windows and Macintosh)
The network scanning feature may not work due to the firewall settings. Change
or disable the firewall settings. It is necessary to set the third-party
Security/Firewall Software to allow Network scanning. To add port 54925 for
Network scanning, enter the information below:
 In Name: Enter any description, for example Brother NetScan.
In Port number: Enter 54925.

 In Protocol: Make sure UDP is selected.
See the instruction manual that came with your third-party Security/Firewall
Software or contact the software manufacturer.
For more information, you can read FAQs and troubleshooting suggestions at
http://solutions.brother.com/.
(Macintosh)
Re-select your machine in the Device Selector window from the Model pop-up
menu in the main screen of ControlCenter2.
®
(Windows )
If the Security Software warning appears on the computer screen during the
installation, change the Security Software settings to permit the Brother product
setup program or other program to run.
(Macintosh)
If you are using a firewall function of anti-spyware or antivirus security software,
temporarily disable it and then install the Brother software.