The rainbow color management system CMS uses the ICC standard to manage the color gamut space of different devices in the workflow. It consists of three parts: one is the CIE reference color space that is independent of the device; the second is the ICC profile of the device; the third is color Management module CMM. Among them, the color management module CMM is the core. It uses professional digital proofing software in combination with other color management software to carry out fine and correct data integration for color space conversion. These data are based on the printing materials and processes commonly used in China, and are measured under a large number of in-depth color space model experiments under different production conditions to simulate the results of printing and proofing. The data are accurate and comprehensive.
When the rainbow color management system manages the proofing colors, it generally goes through the following three basic steps:
1. Generate ICC Profile that reflects proofing or printing characteristics. For traditional proofing or printing standard ISO IT 8.7 / 3 color block diagram, adopt rainbow ink control data management standard, use software PrintOpen (or ProfileMaker, ColorFlow), and DTP-41 (or GretagMacbeth SpetroScan) with spectrophotometer X-rite, Generate an ICC profile that reflects printability.
2. Generate an ICC Profile that reflects the characteristics of the color printer and the printer paper used. For color printers that print ISO IT 8.7 / 3 color patch maps without using color management, the same software and the same spectrophotometer are used to generate the printer's ICC Profile.
3. Color gamut conversion. The printability ICC Profile and the printer ICC Profile are used in the digital proofing software, and the HP DJ color management module CMM is used to convert the color space data, so that the image graphics printed by the HP printer and the corresponding printability are printed out. Standard proofs achieve consistent color.
Hewlett-Packard has extensive experience and strong technical force in the printing industry. In addition to being able to provide complete and systematic pre-sales training and after-sales service, it has strong and difficult advantages in terms of hardware facilities, software cooperative development, and technical support. These are also one of the important reasons why people choose HP.
With its many advantages, digital proofing is marching towards the last barrier in the printing field-traditional proofing. With the continuous development and improvement of corresponding product technology and the continued promotion of the market, digital proofing will surely replace traditional proofing with its strong vitality. Simulation proofing. Digital proofing is a whole set of emerging technology, which is a continuous improvement and development technology, not just a simple combination of RIP software and printer. Its core technology is color management technology. It is necessary to develop corresponding color management software and select the appropriate digital proofing system according to the actual production conditions and the printability of various materials.
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