When Wi-Fi Direct (Simple AP) connection disabled, all computers and smart devices connected to the printer in Wi-Fi Direct (Simple AP) connection are disconnected. If you want to disconnect a specific device, disconnect from the device instead of the printer.
Tap on the printer's home screen.
Select Wi-Fi Direct.
The Wi-Fi Direct information is displayed.
Tap Start Setup.
Tap .
Select Disable Wi-Fi Direct.
Tap the Disable the settings.
Follow the on-screen instructions.