After you decide on wired or wireless LAN to connect the machine to the computer (
Connecting to a 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 MF Drivers installed on your computer and then reinstall them (
MF Driver Installation Guide).
Use

/

to select <Network Settings>, and press

.
Select <Select Wired/Wireless LAN>, and press

.
Select <Wired LAN> or <Wireless LAN>, and press

.