Setting up the Brother HL-L2460DW on WiFi is not that complicated. You can try the WPS one-push method, which is considered the quickest and easiest. Here’s what you need to do:
Power on your printer. The LCD should show “Ready.”
On the printer’s control panel, Press Menu, then use the arrow keys to scroll to Network, and press OK.
Scroll to WLAN (WiFi), press OK.
Scroll to WPS/Push Button, press OK.
If you see “WLAN Enable?”, press the up arrow to select On, then press OK.
The LCD will display “Press Key on rtr.” This is your two-minute window to press the WPS button on your router.
Hold the WPS button on your router for 2 seconds. The router’s WPS indicator light may blink to show it's searching.
The printer will detect the router and negotiate the connection. Wait for the “Connected” message to show up. The WiFi LED on the control panel will turn solid.
Another easy way to connect your Brother HL-L2460DW printer to WiFi is via USB-Assisted Wireless Installer. Follow these instructions for this:
First, you need to open the official Brother’s support site on your browser.
Search and download the Full Driver & Software Package for the Brother HL-L2460DW printer.
Once the file is downloaded, open it and start the installation.
When asked for the connection type, choose Wireless Network Connection.
Follow the on-screen steps. Connect the USB cable only when the installer asks you to.
The software will search for the nearby WiFi networks. Select your network and fill in your password. The installer will transfer the WiFi credentials to the printer.
When asked to, remove the USB cable and carry on with the setup process.
The printer will connect to your network wirelessly, and the installation will complete automatically.
Source: Brother HL-L2460DW WiFi Setup