Two new styles of imaged proofer transfer rolls are now available from HarperScientific, the printing and coating division of anilox supplier Harper Corporation of America. Laser engraved, the proofer transfer rolls are imaged with a choice of company logo or a centered tone scale of 10, 35, 50 and 75 percent with a 100 percent solid on either side. Harper says a custom imaged proofer roll (from customer-supplied graphic file) is the ideal way to identify ink room proofs to customers. The premise for the tone scaled roll can be used to predict how the mid-tone should be corrected (DGC) for different stocks (substrates). The result: a quick and easy way in prepress to correct for the varying dot gains of different stocks.
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