Cause Action Interface
example) between your
machine and the mobile
device.
There is a wireless
computer, Bluetooth
®
-
supported device,
microwave oven, or digital
cordless phone near the
Brother machine or the
mobile device.
Move other devices away from the Brother machine or the mobile
device.
Wireless Direct
You have checked and tried
all of the above, but your
Brother machine still cannot
complete the Wireless Direct
configuration.
• Turn your Brother machine off and back on. Then, try to
configure the Wireless Direct settings again.
• If you are using your Brother machine as a client, confirm how
many devices are allowed in the current Wireless Direct network,
and then check how many devices are connected.
Wireless Direct
For Windows
If your wireless connection has been interrupted, and you have checked and tried all of the above, we
recommend using the Network Connection Repair Tool.
To install the Network Connection Repair Tool, go to your model's Downloads page at support.brother.com/
downloads.
My Brother Machine Cannot Print or Scan over the Network
Cause
Action
(Your Brother machine suddenly
stopped printing or scanning.)
Press (Wi-Fi) and Colour Copy simultaneously.
Your security software blocks
your machine's access to the
network. (The Network
scanning feature does not
work. )
• Windows
Configure the third-party Security/Firewall Software to allow Network scanning.
To add port 54925 for Network scanning, type the information below:
- In Name:
Type any description, for example Brother NetScan.
- In Port number:
Type 54925.
Type 137.
Type 161.
- In Protocol:
UDP is selected.
See the instruction manual that came with your third-party Security/Firewall
Software or contact the software manufacturer.
• Mac
(Brother iPrint&Scan)
In the Finder menu bar, click Go > Applications, and then double-click the
Brother iPrint&Scan icon. The Brother iPrint&Scan window appears. Click the
Select your Machine button, and then follow the on-screen instructions to
reselect your network machine.
Brother iPrint&Scan is available only for DCP-T430W/DCP-T435W/
DCP-T436W/DCP-T439W.
Your security software blocks
your machine's access to the
network.
Some security software might block access without showing a security alert dialog
box even after successful installation.
To allow access, see the instructions for your security software or ask the software
manufacturer.
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