Brother International MFC-9970CDW Users Manual - English - Page 141

Other, Network difficulties continued, Device Selector

Page 141 highlights

Troubleshooting Network difficulties (continued) Difficulties Your computer cannot find your machine. Cannot connect to wireless network. 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. Other Difficulties The machine will not turn on. 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. B 125

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Troubleshooting
125
B
Your computer cannot find your
machine.
(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
.
Cannot connect to wireless
network.
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
.
Other
Difficulties
Suggestions
The machine will not turn on.
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.
Network difficulties (continued)
Difficulties
Suggestions