Brother MFC-J6920DW Basic User's Manual page 148

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.
138
Suggestions
Investigate the problem using the WLAN Report.
Press , All Settings, and then swipe up or down, or press a or b to
display Print Reports. Press Print Reports. Swipe up or down, or 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.