You can automatically set up a Wi-Fi network by pressing a button on the wireless router. If the following conditions are met, you can set up by using this method.
The wireless router is compatible with WPS (Wi-Fi Protected Setup).
The current Wi-Fi connection was established by pressing a button on the wireless router.
Tap 
on the home screen.
Tap Wi-Fi (Recommended).
If the printer has been already connected by Ethernet, tapRouter.
Tap Start Setup.
If the network connection is already set up, the connection details are displayed. Tap Change Settings to change the settings.
If the printer has been already connected by Ethernet, tap Change to Wi-Fi connection., and then tap Yes after confirming the message.
Tap Push Button Setup(WPS).
Hold down the [WPS] button on the wireless router until the security light flashes.
If you do not know where the [WPS] button is, or there are no buttons on the wireless router, see the documentation provided with your wireless router for details.
Tap Start Setup.
Tap Close.
The screen automatically closes after a specific length of time if you do not tap Close.
If connection fails, restart the wireless router, move it closer to the printer, and try again. If it still does not work, print a network connection report and check the solution.
Tap Close on the network connection settings screen.