To learn how to connect Brother HL-L2370DW to wifi, read the steps given here. In this process, you need to turn on your Brother printer and then press the menu button on the control panel. Use arrow keys to select the wireless network option. Use the same keys to select WLAN and select OK. Now, open setup wizard and enable WLAN. After that, your printer will search for available Wi-Fi networks. Choose the name of your Wi-Fi network and then press OK. In the end, enter the password to connect the printer to Wi-Fi.