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CMYK to Spot problem

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    • March 10, 2011 at 1:58 am #58933
      GregB
      Member

      Hi. I've just realised when I'm about to create PDFs for our printer (files needed first thing in the morning) that the eps files of ads I'm importing into ID have been created using CMYK instead a spot colour. (a quick explanation). The graphic in the background of the ads is grayscale, coloured using 80C 100Y instead of a(we using process workflow in our newspaper, except for work going to the commercial printer). Can I tell the printer not to create the Cyan plate and just use the yellow for the spot colour? Also, does this have any affect on the grayscale image? Or is there an easier way to change the process colour to spot globally in the multi-page document?

    • March 10, 2011 at 2:26 am #58934
      Tim Hughes
      Member

      Yes there is!!

      Go to ink manager, which is off the Swatch panel, and check the spots to process box at the bottom.

      Done.

      You can check it by opening the seperations preview, it should show just cmyk as the inks used.

    • March 10, 2011 at 2:31 am #58935
      GregB
      Member

      Thanks Tim, but I'm after a quick way to convert CMYK to Spot.

    • March 10, 2011 at 2:49 am #58936
      Tim Hughes
      Member

      My bad, its the morning and my coffee is just kicking in.

      That is a dilemma, are there alot of these eps files? Is it out of the question to edit them in Illustrator?

    • March 10, 2011 at 2:53 am #58937
      GregB
      Member

      Evening here, been here 12 hours and counting. There are 45 eps files. Might be easier to re-do each ID doc. Have a great day over there.

    • March 10, 2011 at 3:22 am #58941
      Tim Hughes
      Member

      Is it possible to automate the colour change in Illustrator?

      Thanks, I hope you get to sleep soon

    • March 11, 2011 at 8:10 am #58959
      Carthoris
      Participant

      Greg,

      I realize that you have probably already fixed this, but if the colors used in the eps files are saved as spot colors you could re-map them in InDesign's ink manager to whatever spot color that you choose. Also if the grescale images are tiffs you could also change the color using the direct select tool.

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