DIGITAL PROOFING -- Taking Measure of a Proof

"If the RIPs are different, you get different results. So which one's right?" Zwang asks. "Processing variability was one of the things we saw most in the proofing study. The handling of overprints, in particular, was all over the place. The Altona suite deserves a lot of credit. It tests everything, including overprints, spot color handling and color identification," he says.