Konica Minolta bizhub 4050 - Manual (Page 92)

[Print Functions] 3-20
3.4 Useful printing functions 3
Fine-tuning the brightness to fit the original ([Brightness:])
In [Brightness:] of [Quick Settings], fine-tune the brightness to fit the original.
Specifying screen properties ([Halftone])
Select [Quick Settings] - [Halftone], then specify the screen property for each of the image, text, and graphics
categories.
Saving the toner consumption ([Toner Save])
Selecting the [Toner Save] check box in [Quick Settings] adjusts the printing density in order to reduce the
amount of toner consumed.