Connect the computer to the display unit over a Ethernet network.
When connecting the printer to the computer, refer to the manual of the device you are using and check that you can print a text or image file correctly.
Use the PING command to verify the connection between the display unit and the computer. For more details on the PING command, refer to :
Maintenance/Troubleshooting Guide, T.2.4.4 Can you get the Display Unit's IP Address with PING from the command prompt?