You can automatically set up a Wi-Fi network by pressing a button on the wireless routor. 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.
Select Wi-Fi (Recommended).
If the printer has already been connected by Ethernet, select Router.
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 already been connected by Ethernet, tap Change to Wi-Fi connection., and then select Yes after checking the message.
Select 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 on the printer.
Close the screen.
The screen automatically closes after a specific length of time.
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.
Close the Network Connection Settings screen.