Konica Minolta magicolor 1680MF - Manual (Page 28)

Printer Settings (Mac OS X 10.5/10.6) 1-21
"
If KONICA MINOLTA mc1680MF does not appear, check that the
machine is turned on and the USB cable is connected, and then
restart the computer.
6
Check that KONICA MINOLTA magicolor 1680MF is selected in the
Print Using list.
7
Click Add.
The new printer appears in the Print & Fax screen.