Brother MFC-J6520DW Basic User's Manual page 144

Network Difficulties (continued)
Difficulty
Cannot connect to wireless
network.
Difficulties when entering data
Difficulty
The dial pad does not work when
entering numbers or characters.
134
Suggestions
Investigate the problem using the WLAN Report.
Press (Settings), All Settings, and then press a or b to display
Print Reports. Press Print Reports. Press a or b to display
WLAN Report, and then press WLAN Report.
(See Software and Network User's Guide.)
Suggestions
Use the keyboard on the Touchscreen to enter information.