Selecting Wired LAN or Wireless LAN
After you decide on wired or wireless LAN to connect the machine to the computer, select wired LAN or wireless LAN using the operation panel. Note that if you change the setting from <Wired LAN> to <Wireless LAN> or vice versa, you will need to uninstall the drivers installed on your computer and then reinstall them. For more information, see the manuals for the relevant drivers on the online manual website.
1
Select <Menu> in the Home screen. Home Screen
2
Select <Preferences> 
<Network>.
<Network>.If the login screen appears, enter the correct ID and PIN. Logging in to the Machine
3
Select <Select Wired/Wireless LAN>.
4
Select <Wired LAN> or <Wireless LAN>.