Swiss convention raises proofing accuracy

Improved accuracy of Eurostandard Cromalin proofing for offset printing

DuPont Imaging Technologies has signed a new agreement with System Brunner of Switzerland, which will enhance the accuracy of Eurostandard Cromalin proofing for offset printing, and establish similar standards for other print processes.

System Brunner has been prominent for over 30 years in the definition of industry standards for colour through the development of sophisticated process control and quality assurance techniques.

The integration of its Instrument Flight system - for extremely accurate press fingerprinting - into the Cromalin standard will be one of the highlights of the new agreement.

The System Brunner Instrument Flight System provides a simple 'star' system to reflect the accuracy of a proof against the final printed result.

It automatically scans a patented control strip, printed on the side of the signature, and gathers readings to allow more than 30 printing parameters to be evaluated.

The control strip uses a unique zebra design, which has high and low-density patches next to each other to increase densitometer accuracy.

The initial work between the two companies will be the development of a new Cromalin Eurostandard for Cromalin Digital, which takes into consideration the print quality improvements in offset due to the adoption of CTP technology.

This quality improvement is the basis of the Instrument Flight rating - five stars being the quality achieved with perfectly made plates and printed using perfect colour curves.

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