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HarperScientific offers custom engraved proofer transfer rolls

November 30, 2010

The proofer roll is a simple method to identify ink room proofs to customers, and lets prepress correct for varying dot gains.

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, Charlotte, NC, USA. The laser-engraved 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.

A custom imaged proofer roll (from customer-supplied graphic file) is a simple method to identify ink room proofs to customers. The tone scaled roll can be used to predict how the mid-tone should be corrected for different stocks. The result allows prepress to correct for the varying dot gains of different stocks.

The imaged proofer transfer rolls are available in either a 45 or 55 durometer EPDM.

The transfer roll option adds new functions to HarperScientific’s Phantom and Phantom QD bladed hand proofers, according to Tony Donato, product development engineer at Harper. He says the option will especially benefit companies that print screens with spot colors by indicating how a stock responds to screens and how to cut them back to optimize outcome.

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