SGIA DCP Control Print Answer Key.Pages

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This Control Print is to be output and submitted to SGIA to become “Certified” as a Digital Color Professional. Several elements of the Control Print will be measured, while other elements will be visually evaluated. This document serves as the answer key for outputting the PDF properly. You will be provided a report based on the output from this print. 1 - There is an area to write information, please fill out this section. Under Reference/Target tell us what specification/standard you are trying to match - for example; grayscale, CRPC6, Fogra39L, etc. If you have defined your own target, list the name of the ICC profile and send it via email to [email protected]. 2 - There is one, 2-page ICC profiling chart on the form - the TC1617, for the i1iO2. This chart was created/designed by Don Hutcheson and published by IDEAlliance, copyright-free. The TC1617 chart is generally used for creating ICC profiles, but can also be used to verify that a device is in tolerance to an entire color space (e.g. CRPC1-7), it also contains all of the patches from the P2P51 chart. SGIA will measure one of these charts, depending on what “target” is listed on your control print. 3 - There is 1 grayscale image on the Control Print, which has the 20% Dot Gain profile embedded. This image will be converted to 4-color through your RIP, this happens with ICC transforms because your output profile is RGB/CMYK. If this looks warm or cool, it’s a good indication that your gray balance is not neutral 4 - There are 5 color images on the Control Print. 4 of the RGB images are in the sRGB color space, while “the skier” is in the Adobe RGB color space. You must have your RIP set to honor embedded profiles, or these will not all output properly. sRGB (correct) Adobe RGB (incorrect) sRGB (incorrect) Adobe RGB (correct) 5 - There are 8 spot colors, one of them has a custom name - “Plum Crazy”. The actual Pantone number/color is listed on the control print. You’ll need to configure your RIP to interpret this custom named color properly. Your RIP should automatically handle the PANTONE named spot colors 6 - There are 8 tints of the 8 spot colors. They are defined using a 50% opacity setting, so your RIP will need to be capable of handling PDF’s with transpanrecy. There is now a standard way to verify tints of spot colors and we’ll be verifying these using this new Spot Color Tone Value (SCTV) method. 7 - There are 2 verification control strips - the basICColor RGB-MediaWedge and the IDEAlliance ISO 12647-7 Control Wedge. You can measure these and compare it to your target for quick color verification, before submitting your control print or routinely to check your devices..

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