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FLEXO Magazine : October 2013
tecHNOLOGIES & tecHNIQUES Justlikethetipsofourfingers,thewayeachpress lays down ink is unique. Each press prints at different speeds, pressures, dot percentages, etc. But printers must print customers’ products accurately and consistently. This is why fingerprinting is so important. Today’s printing industry is all about the customer. The newest and fastest presses, the best proofing processes, the most efficient work- flows—none matter if the customer is not happy. If printers do not test the limits of their printing process, to know exactly how their press prints, they won’t be able to deliver the results customers expect. Carey Color has spent a lot of time working with printers to help them adopt elastomer sleeves as their preferred in-the- round material. It’s come to rely on press fingerprinting and developed a set of best practices for the process. The goal is to help the printer control pressroom variables, achieve tighter tolerances, improve print repeatability and match the proof consistently. How do we do that? It starts with building a sleeve and continues by establish- ing a database of tightly matched parameters for each sleeve WHY FINGERPRINT? • Define the specific traits—speed, pressure, dot percentage, etc.—of a given printer • Maintain tight tolerances and match the proof consistently • Create a standard to use in comparison with future print jobs as a means of quality control • Control pressroom variables and improve print repeatability Fingerprinting the press to the process can control pressroom variables, achieve tighter tolerances, improve print repeatability and match the proof consistently. testing the Limits Best Practices For Press Fingerprinting 68 FLeXo OCTOBER 2013 www.flexography.org www.flexography.org OCTOBER 2013 FLeXo 69 4th Annual Plate/ Platemaking/Sleeve Selection Guide