• Confirm the security settings using Wireless Setup Helper (Windows). For more information and to download the utility, go to your model's Downloads page at support.brother.com/downloads.

• Select and confirm that you are using the correct security settings.

  • See the instructions supplied with your wireless LAN access point/router for information on how to find the security settings.
  • The manufacturer's name or model number of the wireless LAN access point/router may be used as the default security settings.
  • Consult with the access point/router manufacturer, your Internet provider, or network administrator.

Your Brother machine's MAC address is not allowed.

Confirm that the Brother machine's MAC Address is allowed in the filter.

• Enter the correct SSID or Network Key manually.
• Check the SSID or the Network Key in the instructions supplied with your wireless LAN access point/router and reconfigure the wireless network setup.

Your machine is trying to connect to a 5 GHz Wi-Fi network. The current channel set on your wireless LAN access point/router is not supported.

Change the channel on your wireless LAN access point/router to a channel supported by your machine.

1. Confirm the channels supported by your machine.

   USA, Canada, Mexico and Caribbean countries: See Related Information: 5 GHz Wi-Fi Network Channels Supported by Your Machine (USA, Canada, Mexico and Caribbean countries only).

   All other countries: Go to support.brother.com/g/d/a5m6/, select your model, and then click Download for more information.

2. Check your wireless LAN access point/router‘s channel setting. Make sure it is set to one of the channels supported by your machine, and not set to "Auto" or "Automatic". For more information about changing the channel setting, see the instructions supplied with your wireless LAN access point/router.
3. Try to connect your machine to your Wi-Fi network again.

• Confirm the SSID and password.

  • When you are configuring the network manually, the SSID and password are displayed on your Brother machine. If your mobile device supports the manual configuration, the SSID and password will be displayed on your mobile device’s screen.

If your mobile device disconnects (approximately six minutes after using Wi-Fi Direct), try the one-push configuration using WPS (recommended) and set the Brother machine as a Group Owner.

Your Brother machine is placed too far from your mobile device.

Move your Brother machine within about 3.3 feet (1 meter) of the mobile device when you configure the Wi-Fi Direct network settings.

Move your Brother machine to an obstruction-free area.

There is a wireless computer, Bluetooth®-supported device, microwave oven, or digital cordless phone near the Brother machine or your mobile device.

Move other devices away from the Brother machine or your mobile device.