
Please select Lpt1 for parallel port connection, and select the port according to
whether the machine is expanded.
Please select com1 for serial port connection
Please select USB for USB cable connection. Please note that the USB
interface is a virtual printing port of the system. In the actual operation, you
need to ensure that the printer USB cable is connected and the printer is
powered on. If a computer is installed with multiple USB cable connected
printers, there may be multiple USB ports, such as USB001, USB002 ...
USB005 ..., etc. Adjust the port if you cannot print after the driver installation is
completed.