First, connect your Brother HL-L2340DW printer with the power cord, then connect the power cord to electricity.
Now open the Control Panel on your Brother Printer to set up wireless.
Now press the Menu button.
Then choose Network settings or wireless/WLAN setup. ( to want, please use up or down arrow key)
Now choose the setup wizard, Press-up & down button, then press OK after selecting the Setup Wizard.
Enable the WLAN Network when Local Area Network Enables. After this, your wireless setup wizard gets started.
Now let your Printer search for the Wi-Fi network & display the explored available networks.
At last, you have to choose your SSID, then press OK and type your SSID key.
Here’s your done.