Xpres SubliJet IQ EPSON Stylus PRO 4880 (Windows Power Driver Setup): Power Driver Installation & Getting Started Guide - Manual (Page 39)

Sawgrass Technologies, Inc . SubliJet IQ ® Getting Started Guide for the EPSON Stylus PRO 4880
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You may alter the chosen color’s CMYK value by selecting two or three
Step Colors. Using multiple step colors will present you with a greater
range and variety of colors to choose from.
▬ For instance, if you choose to modify your Start Color with two
steps, then Step Color 1 will change its values on the X (horizontal)
axis and Step Color 2 will change its values on the Y (vertical) axis.
Color Finder Palette with two Step Colors
▬ If you modify your Start Color with three steps, Step Color 1 will
remain the same. However Step Color 2 and Step Color 3 will form
an imaginary ‘X’ and their values will change on opposing diagonal
Y axes.
Color Finder Palette with three Step Colors