Sometimes there might be a driver issue that may result in the brother wireless printer setup failure. You can get the tech help from help sites that specialize in tech support or you can call the customer care number to fix the error that you’ve been facing. In addition to that, you can always watch tech support videos for help. https://www.brotherprintersupportpro.net/brother-wireless-printer-setup/
To set up your Brother machine on a wireless network: Connect the power cord to your Brother machine and then connect it to an electrical socket. ... Press Menu button on the machine's control panel. Press the Up or Down arrow key to select Network and press OK. Press the Up or Down arrow key to select WLAN and press OK.
