Selecting a Network to Log in
Select a network to access from this machine when the user logs in.
1
Select the desired network on the network selection screen.
2
Enter the user name and password on the login screen, then tap [Login].
If Public User Access (unregistered users) is enabled, you can tap [Public User Access] on the login screen to operate this machine without authentication.
If you tap the network name button on the login screen, the display returns to the network selection screen.
in the upper-right of a page, it turns into 
and is registered as a bookmark.