x-Lab Dot Matrix Printer XDP-321 User's Manual
- 10 -
1.9.1 Connecting to the Parallel Interface Cable
1. Turn off both the computer and the printer. Plug one end of the parallel interface cable into the
printer’s parallel interface. Squeeze the wire clips on both sides of the connector and make the cable
fixed. (As shown in Figure 1-25)
2. Plug the other end of the cable into the computer’s parallel interface. And then tighten the screws
on both sides.
1.9.2 Connecting to the USB Interface Cable
1. Plug the A end of the USB interface cable (flat shape) into the computer's USB interface.
2. Plug the B end of the USB interface cable (square shape) into the printer's USB interface. (As
Figure1-26 shown)
1.9.3 Connecting to the Serial Interface Cable
1. Turn off both the computer and the printer. Plug one end of the serial interface cable into the printer’s
serial interface. Tighten the screws on both sides and make the cable fixed. (As shown in Figure1-27)
Parallel interface
USB interface
Serial interface
Figure 1.9.1 Connect to the parallel interface cable
Figure 1.9.2 Connect to the USB interface cable
Figure 1.9.3 Connect to serial interface cable
Note: Don't impact the plug after connecting to the USB interface cable.