User's Guide

> Color Centro > [Calibration] > Advanced Calibration

Advanced Calibration

Advanced calibration performs color tone adjustment, which was only realized by re-creating a profile, using a method other than density adjustment for each single color (CMYK).

Advanced Calibration should be applied when
  • any change is made in the environment (temperature or humidity) in which the machine is placed; or
  • you want to output images with the same color tones on multiple machines.
The following methods are provided for Color Centro advanced calibration.
Tips
  • In Color Centro, Exact Color is set by default.
  • You cannot additionally set G7 calibration to Color Centro and use them together. When switching to G7 Calibration, contact your service representative.

Exact Color adjusts a profile.

This function adjusts not only the reproduction of each color (CMYK) but also that of mixed color (color or gray balance with 2 or 3 colors mixed). Therefore, this function realizes color tone adjustment with a higher level of accuracy than the normal calibration.

Exact Color is available in the following cases.
  • Once every 2 or 3 months
  • You want to improve the profile accuracy.
  • You want to integrate color reproducibility between devices when there are multiple systems.

G7 calibration is a method that controls the gray balance with Idealliance deployed. Curve adjustment is performed using each single color (CMYK) as the primary curve. This function controls the gray balance so that common gray can be reproduced in various printing methods.

G7 calibration is available in the following cases.
  • Once every 2 or 3 months
  • You want to integrate gray color reproducibility between devices when there are multiple systems.
Tips

When switching to G7 Calibration, be sure to note the following points.

  • A profile or conversion table (LUT) created by Exact Color cannot be shared.
  • The following profile or conversion table (LUT) is not automatically deleted from the Image Controller. The following profiles or tables must be deleted manually.
    - Custom profile registered before switching
    - Conversion table (LUT) registered before switching
  • When G7 calibration is used in an environment other than Color Centro, the following data can be used continuously.
    - User data's profile
    - User data's spot color table
  • A hold job saved before switching to G7 calibration must be re-RIPed (color conversion) after the appropriate profile setting was configured. After switching, confirm the hold job.

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