Konica Minolta bizhub 750 - Manual (Page 177)

Setting Up the PCL Driver 5
IC-202 5-42
Print with Black
Prevents fine lines which is colored, colored characters, graphics, etc. from
being printed light.
1
Click the Quality tab.
2
Select the [Print with Black] check box and select either [Text and
Graphics] or [All].
Text and Graphics Colored characters and graphics are printed in black.
All All objects including the image data such as photo image are
printed in black except for white areas.