• Connect the power cord, other accessories and turn on the printer.
• In the control panel display, tap the Wi-Fi option, which can be found at the top of the screen.
• In the options, select the ‘setup wizard’ and enable the WLAN by clicking ‘YES’ to the next pop-up.
• Enter the router name, password credentials and finally press the Okay button to connect.
For more details visit the website brother printer help.