Before connecting your printer to the wireless network connection, make sure that your router is connected to the wireless network and your computer is connected to it wirelessly.
Unbox your epson workforce pro WF 3720 printer.
Remove all the packing materials.
Open the scanner glass and remove the packing materials left.
Remove the yellow tapes from the cartridges and insert the cartridges in the cartridge holder according to the colours specified.
Close the scanner glass.
Now, connect the power cord and switch on the printer.
Leave the epson workforce pro WF 3720 printer to install the ink and get ready to print.
In your computer, install the printer software by inserting the CD given with the printer.
Otherwise, download and install epson workforce pro WF 3720 setup software in your computer.
Follow the onscreen instructions to install the software.
In the select your connection window, select wireless connection.
Select, setup printer for the first time and click on next.
Click on Wi-Fi auto connect and click on next.
Follow the onscreen instructions and your workforce pro WF 3720 printer will automatically gets connected to your computer through wireless network.
If not, then in the opening screen, click on next.
To fill in your SSID and the network password, click on show network password in the computer connected to the same wireless network.
Then go to the home screen.
Go to Wi-Fi setup and click OK.
In the Wi-Fi setup wizard, give your SSID and password and click on OK.
Follow the onscreen instructions to connect your printer to the wireless network.