You did not select Accept in the security alert dialogue box during the Brother Device installation, applications’ start-up process, or when using the scanning features.
If you did not select Accept in the security alert dialogue box, the firewall function of your security software may be denying access. Some security software may block access without showing a security alert dialogue box.
To allow access, see your security software instructions or ask the manufacturer.
Wired/Wireless
Your security software blocks your machine's access to the network.
The following port numbers are used for Brother network features:
Network scanning
Port number 54925 / Protocol UDP
Network scanning, Remote Setup
Port number 161 and 137 / Protocol UDP
BRAdmin Light (Windows only)
Port number 161 / Protocol UDP
For information about how to open the port, see the security software instructions or ask the manufacturer.
Wired/Wireless
Your Brother machine was not assigned an available IP address.
Confirm the IP address and the Subnet Mask.
Verify that both the IP addresses and Subnet Masks of your computer and the Brother machine are correct and located on the same network.
For more information about how to verify the IP address and the Subnet Mask, ask your network administrator.
Wired/Wireless Wired/Wireless
You cannot connect the Brother machine to the network using wireless capabilities.
Press (Settings) > Network > WLAN > WLAN Status > Status.
If the LCD displays Connection Failed:, ask your network administrator whether your IP address is valid or not.
Wired/Wireless
If you have checked and tried all of the actions, but your Brother machine still cannot scan, uninstall the Brother software and drivers and reinstall them.
(Settings) > Network > WLAN > WLAN Status > Status.
