Online User's Guide (PDF)

Table Of Contents
Troubleshooting
176
18
Is your Brother printer correctly
connected to the network?
For RJ-3050/3050Ai, check the Wi-Fi indicator on the printer.
: The network is correctly connected.
(flashes once every 3 seconds) : The network is not connected correctly, and
the wireless network setup must be reconfigured.
For RJ-3150/3150Ai, check the WLAN icon on the LCD display.
: The network is correctly connected.
:
The network is not connected correctly, and the wireless network
setup must be reconfigured.
: The wireless network settings are disabled.
I have checked and tried all the
above, but my Brother printer
does not print. Is there anything
else I can do?
Uninstall the printer driver and the software, and then reinstall them.
I’m using security software.
Question Solution
Did you choose to accept the
security alert dialog box during
the standard installation or
BRAdmin Light installation or
when using the printing features?
If you did not choose to accept the security alert dialog box, the firewall function of
your security software may be rejecting access. Some security software might
block access without showing a security alert dialog box. To allow access, see the
instructions of your security software or ask the manufacturer.
What port numbers are required
for the Brother network features?
The following port numbers are used for Brother network features:
BRAdmin Light i Port number 161 / Protocol UDP
For details on how to open the port, see the instructions for the security software
or ask the manufacturer.
I want to make sure that my network devices are working correctly.
Question Solution
Are your Brother printer, access
point/router or network hub
turned on?
Make sure you have confirmed all instructions in Make sure you have first checked
the following: on page 173.
Where can I find my Brother
printer’s network settings, such
as IP address?
Check [Communication settings] in the [Printer Setting Tool].
See Printer Setting Tool on page 49.
Your Brother printer cannot print over the network.
Your Brother printer is not found on the network even after successful installation. (continued)
Question Solution