Konica Minolta bizhub C20 Reference Manual page 412

Print Quality Settings
The Print - Default Settings - Print Quality Settings window allows you to
configure the following items:
Item
Print
Quality
Settings
388
Color Mode
Description
If Color is selected, the pages are printed in
full color.
If Monochrome is selected, the pages are
printed in black and white.
Choices: Color, Monochrome
Default: Color
Configuration Menu Equivalent:
PS/PCL PRINT - QUALITY
MENU - COLOR MODE
Configuring the Printer