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Release date: 30-Sep-2003
Optimizing Color Calibration results for CXP6000
General
The Spire color calibration is a necessary tool to provide color accuracy for print jobs that are
performed on the DocuColor 6060 Digital Printer.
This document provides basic guidelines about when color calibration should be performed,
how to calibrate properly, and how to use the new calibration to print a job.
When is calibration needed?
Color calibration should be performed for any of the following cases:
§ When a new paper stock is used*
§ When a different screening method is used*
§ At least once every 8 hour shift for every combination of paper stock and screening method
used
§ When Prints show "color casts"
§ After machine maintenance or hardware changes (i.e. replacing a "charge corona")
§ On drastic ambient changes (temperature / humidity)
* Important: Perform a different calibration for every combination of media and screen type used for
printing. When calibrating, always use the same media that you intend to use for printing.
Guidelines for successful calibration
To ensure your calibration is as accurate as possible, check the following prior to calibration:
§ Ensure that the X-Rite DTP34 is connected properly.
§ Ensure that the X-Rite DTP34 is calibrated: the device calibration should be performed
whenever the power to the device has been interrupted, and at least once a week.
Use the manufacturer supplied calibration strip with the device. Make sure the strip is stored
safely in the designated envelope after calibration of the DTP34 is completed.
§ Print at least 25 duplex sheets of any 4 color test job on any media (to "warm up" the printer)
§ Print a reference job using the same media and screen type that the final customer job will
be printed on.
§ Prepare a flat clean surface on which to measure the calibration charts. Set a few sheets of
clean white paper (at least 200 gsm, or 2 sheets of lighter paper) on the surface. The
calibration chart reading should be done on this surface.
Technical Bulletin
Color Server
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