The wide range of inks and substrates used in package printing makes ink/substrate compatability more of a challenge.

By Jean-Marie Hershey

Good communication between the prepress department and the pressroom is essential when working with UV inks and coatings, and can avoid many lurking disasters. Not only must screening curves be adjusted to account for the additional dot gain that occurs with UV inks, but jobs also must be proofed on the actual substrates on which they will be printed.