G7 Certified Systems
The following G7 systems have been certified by IDEAlliance to meet or exceed established industry tolerances for calibrating a printing device to meet the G7 grayscale definition using four 1-D Curves. The systems listed below are available for sale through IDEAlliance. Additional certified systems are available direct from the manufacturer or their distributors. Click here for a list of all G7 Certified Systems.
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![]() Alwan CMYK Optimizer PrePress An industry leading color preflight, standardization and optimization software for CMYK files and separations. CMYK Optimizer helps pre-media and prepress companies to easily produce files that conform to G7®, GRACoL®, SWOP® or other industry standard printing conditions. |
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![]() Alwan Print Standardizer X APS/X START An industry reference for TVI and Gray Balance process control. It is a unique tool for matching G7®, ISO 12647 or your custom standards on any printing process. |
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G7 SYSTEM CERTIFICATION REQUIREMENTS
A Certified G7 System has been 3rd party tested and been proven to successfully meet the following requirements:
- The system calculates CMYK calibration curves (RIP calibration percentages) that produce CMY and K-only NPDC curves that fit the nearest FanGraph curve or average of two curves.
- The corrected NPDC curve(s) match whatever FanGraph curve(s) fit the dynamic range of the test sample.
- The system is able to calculate individual CMY calibration curves that together produce a neutral grey balance defined by the G7 specification.






