Xerox DocuColor DocuColor 4 User Manual page 127

6.2 Controlling printed color
Use the up and down arrows to increase or decrease the density of the
selected color. Press Item/Enter.
Values range from +5 to -5. Negative values are lighter, positive values
are darker.
To print a Color test that uses the new values, use the up and down arrows
to select YES.
A color test page that uses the new values is printed.
To apply the new color and brightness values use the up and down arrows
to select YES.
Changes made using COLOR ADJUSTMENT are retained until the
printer/copier is recalibrated. You can reset the adjusted colors to the
last calibration made using the Reset All option in the ADJUST COLOR
screen; or recalibrate the printer/copier using VISUALCAL, or reset
the printer's color production to factory defaults using the control panel's
Reset Color option.
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If the GRAY BALANCE page is printed after the Limits calculations
have been made, the gray field on which the CMY patches appear on the
Limits page will use the new density and luminosity calibration settings.
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