User's Manual
33
QLn Series User Guide
Cable Communication
Caution • The printer should be turned o before connecting
or
disconnecting a communications cable.
The QLn320 printer can communicate by cable; the specific
cable supplied with your printer will vary with the host termi-
nal and your model printer.
RS-232C Communications
The 14-pin serial connector on your communications cable plugs
into the serial communications port on the side of the printer. QLn320
model printers also have a USB port.
USB Communications
The small 5-pin connector on the USB cable plugs into the
printer. The connectors are keyed to assure correct align-
ment; do not try to force the cable if it does not plug in. The
Communications Cable to Terminal
Part numbers vary. Refer to Appendix A.
RS-232C or USB Communications
Cable to Computer
Refer to Appendix A for part numbers.
Figure 17: Cable Communications
Figure 18: Communications with a P.C.
Communications
Port