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Optimizing Proofing in a Digital Work Flow Kudzai Chigogora, Paul D. Fleming III and Abhay Sharma
 

Summary: Optimizing Proofing in a Digital Work Flow
Kudzai Chigogora, Paul D. Fleming III and Abhay Sharma
Keywords: CIE Color Spectrophotometer
Abstract
As printers, it is important to be able to produce accurate proofs before going to
press. It is not a rare occurrence that a file looks different, depending on the
output device used. This poses a problem for all parties involved with
maintaining the accuracy of the print. The DocuColor 12 is a digital proofing
device that has been SWOP (Specifications for Web Offset Publication)
certified. SWOP certified machines should be able to print test charts that will
have very similar, if not identical color measurements. This paper looks to verify
this certification by printing a test chart and measuring the color patches. The
DocuColor 12 was used to create a new profile, which was applied to the
IT8.7/3 chart and these patches measured. The charts were measured with a
GretagMacbeth SpectroScan spectrophotometer. The DocuColor 12 was profiled
by printing an ECI 2002 test chart and calculating the profile with
GretagMacbeth ProfileMaker 5.01. The results showed that some of the colors
had the same values as those specified by SWOP but some others were very
different. The experimental procedure, the results and reasons for differences are
discussed.

  

Source: Abubakr, Said - Department of Paper Engineering, Chemical Engineering, and Imaging, Western Michigan University

 

Collections: Engineering