Konica Minolta magicolor 1690MF Reference Manual page 67

6
Check that KONICA MINOLTA magicolor 1690MF is selected in the
Print Using list.
7
Click Add.
8
Select an Optional Trays and Duplex Option to match to your printer.
9
Click Continue.
The new printer appears in the Print & Fax screen.
1-44 Printer Settings (Mac OS X 10.5/10.6)