Is the network private? Or public?

 
 
Check whether the machine is connected to a private network.
You can check using the IP address of the machine. 
Press <Status Monitor> on the touch panel display or the (Status Monitor) key on the control panel, and check whether the IP address displayed on the screen is within one of the following ranges:
10.0.0.0 to 10.255.255.255
172.16.0.0 to 172.31.255.255
192.168.0.0 to 192.168.255.255

If the IP address is within one of the above ranges

A private IP address is set. In this case, the machine is connected to a private network.

If the IP address is not within one of the above ranges

A global IP address is set. In this case, the machine is connected to a public network.