Brother MFC-9970CDW User Manual page 162

Network difficulties (continued)
Difficulties
Your computer cannot find your
machine.
Cannot connect to wireless
network.
Other
Difficulties
The machine will not turn on.
Suggestions
®
(Windows ) The firewall setting on your PC may be rejecting the necessary
network connection. (For details, see the instructions above.)
(Macintosh)
 The computer may be unable to detect the machine due to the firewall settings.
Change or disable the firewall settings. If you are using a third-party personal
Firewall software, see the User's Guide for your software or contact the
software manufacturer.
 Re-select your machine in the Device Selector application located in
Macintosh HD/Library/Printers/Brother/Utilities/DeviceSelector or from
the Model pop-up menu of ControlCenter2.
Investigate the problem using the WLAN Report. Press MENU, Print Reports,
WLAN Report. and then press Black Start or Color Start. For more details, see
the Quick Setup Guide.
Suggestions
Adverse conditions on the power connection (such as lightning or a power surge)
may have triggered the machine's internal safety mechanisms. Turn the machine
off and unplug the power cord. Wait for ten minutes, then plug in the power cord
and turn the machine on.
If the problem is not solved, turn off the machine. Plug the power cord into a
different known working outlet and turn on the machine.
Troubleshooting
B
125