Color Matching - Konica Minolta magicolor 1690MF Reference Manual

To print on both sides of the paper, Duplex Option must be selected
under Installable Options (p. 1-33). The Long-edged binding check
box or Short-edged binding check box can be selected even when
the Duplex Options is not installed. However, in this case, the print job
will be cancelled.
Reverse Page Orientation
The printing direction is inverted vertically.

Color Matching

Color Matching
ColorSync: Allows you to select host-based color matching.
Vendor Matching: Allows you to select printer-based color matching.
Profile
Allows you to select ColorSync Profile.
1-64 Specifying Print Settings (Mac OS X 10.5)