Process Control Is Key to Effective Ink Optimization
One of the keys to efficient package printing is understanding the source of unwanted color variation and implementing measures to drive those deviations out of the process.
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However, he observed, the full value of an ink optimization solution is best realized where appropriate process controls have been implemented to ensure that press, proof, incoming files, and CtP curves are properly aligned to a given specification (target, densities, dot gain value, etc.).
Maintaining consistent image color during a press run typically starts in prepress and involves evaluating the color separation process, taking into account the ink, ink properties, substrate characteristics, and press condition. "Over the past five years or so, we've become more aware of the problem and have started to detect and measure color inconsistencies and to nail down a number of troublesome variables," Welch said.
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Jean-Marie Hershey
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