Hawking Technology PS12U - Manual (Page 27)

Disable Use default queue on server.
Queue Name: lp1, lp2, or lp3 ( fixed )
( lp1 : Parallel Printer / lp2: USB 1 Printer/ lp3: USB 2 Printer)
3. Select the suitable printer model for your printer, or select "Generic",
and then press "Add".
3. Change the Format for the printer you just added before printing,
and then press "OK."