Use Ethernet to connect a PC to a display unit.
Also, please connect a printer to the PC while referring to the manual of the device you are using, and be sure that a text file or image file can be printed without any problem.
The PING command can verify the connection between the display unit and the PC. For more details on the PING command, refer to:Maintenance/Troubleshooing Guide, T.2.4.4 Can you receive the IP address of the Display by executing the PING command at the command prompt?