Oki C9300 User Manual page 93

Glossy
This option uses more CMYK and less Black while producing a
shinier black.
Matte
This option uses more Black and less CMYK while producing a flatter
black.
Separations
This option affects output only, allowing you to print all colors or
separate plates.
1. Select the option desired.
You must select a non-generic PostScript Printer
Description (PPD) file for a printer that supports color
separations.
NOTE
Mac OS 8.6-9.2.2 Operation • 91