![background image](http://html1.mh-extra.com/html/xerox/docucolor-40/docucolor-40_reference-manual_3677072030.webp)
2
2-2
Color Management
Maintaining print device consistency
The factors described below affect print device consistency, as well as color fidelity and
overall output quality.
Paper stock and toner
The paper and toner used by your print device can greatly affect printed color. For best
results, use the supplies recommended by the manufacturer of the print device.
Maintenance
Problems such as streaking and insufficient or excessive amounts of one or more toners
arise when a print device does not receive periodic maintenance or needs major repairs.
In addition to having it serviced regularly, monitor the condition of your print device
by making standard test prints at regular intervals. You can do this easily by printing
the DocuColor 40 CP Test Page. Save the prints and show them to the service
technician whenever output densities vary from the norm or other problems appear.
Calibration
Output from color print devices is subject to changes in temperature and humidity,
and is prone to drift over time, with a resulting loss in color predictability. For this
reason, regular service visits alone do not guarantee consistent results from a print
device. Where color accuracy and consistency are crucial, regular calibration of the
DocuColor 40 CP and print device is necessary.
Calibration compares the measured toner densities from a color print device to a set of
target densities and downloads a software correction to the DocuColor 40 CP that
keeps the densities consistent. Calibration also optimizes the DocuColor 40 CP’s color
response for use with the DocuColor 40 CP color management system (see page 2-6).
A resident calibration target is specified during DocuColor 40 CP calibration. The
administrator or operator can create custom calibration targets as needed for the
specific requirements of your site. For information on performing calibration, see the
Job Management Guide, which describes DocuColor 40 CP calibration.