Printer prints the following message:
@PJL USTATUS DEVICE = ON
@PJL ECHO Netport Pro 10
The NetportExpress PRO print server has bi-directional communications enabled, and the printer doesn't support it.
Disable bi-directional communications by unchecking the "Enable Bi-directional Communication With Printer" box for that parallel port under "Configure Hardware" in NetPort® Manager.
This applies to: