Paper Configuration - Epson Stylus Pro 4400 Reference Manual

Paper Configuration

The following settings in Paper Configuration let you make the
detailed paper settings. If you are using non-Epson special media,
make these settings as needed.
Mode
Color Density
202
Printing with Mac OS X
Description
Adjusts the strength of Color Density. Use a value in the
range of -50% to +50%. Drag the slider with your mouse to
the right direction (+) to deepen the color of your printout
or left direction (-) to lighten its color. You can also type
a number (-50 to +50) in the box next to the slider.
Use this function when you print on paper other than
Epson special media.
Set the scroll bar to the 0 position when you print on Epson
special media.
Note:
Deepening of the color of printout may not be possible,
depending on the printing mode.