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Thread: How to preflight a PDF with cmyk and spot colors?

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    Banned snokiedeath is on a distinguished road
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    Unhappy How to preflight a PDF with cmyk and spot colors?

    I make the PDF with InDesign using CMYK and Spot color swatches, export it with Spot hires 1v3 profile and preflight also with Spot hires 1v3 but I keep getting errors about color all the time. Anyone have a good advice for preparing PDFs with spot colors? Thanks.

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    Donor momo.cassiopeia is on a distinguished road momo.cassiopeia's Avatar
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    preflight

    Quote Originally Posted by snokiedeath View Post
    I make the PDF with InDesign using CMYK and Spot color swatches, export it with Spot hires 1v3 profile and preflight also with Spot hires 1v3 but I keep getting errors about color all the time. Anyone have a good advice for preparing PDFs with spot colors? Thanks.
    any chance you could elaborate a bit more on the issues, or attach your pdf file for us to have a look at?

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    Banned snokiedeath is on a distinguished road
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    Get a file example here: http://ge.tt/3uezD1S1/v/0?c

    If I preflight this it always says something like: File uses 1 separation, should be less or equal to 0.

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    Banned snokiedeath is on a distinguished road
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    Adobe Acrobat Pro (Latest)
    Enfocus PitStop Pro 11

    Profile:
    Ghent Work Group SheetSpotHiRes_1v3

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    PRC Member Kitaro will become famous soon enough
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    This is only a warning. In my opinion not optimal for a preflight-profile for CMYK+spot. You can ignore it. You can recheck with "SheetCmyk_1v3" where this is not a warning, but an error.

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    Banned snokiedeath is on a distinguished road
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    Do you have a suggestion for another profile to preflight with?

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    Junior Member Shiny is on a distinguished road
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    Quote Originally Posted by snokiedeath View Post
    Do you have a suggestion for another profile to preflight with?
    I always use the Acrobat Pro built-in pre-flighter which works a treat (Analyse only, not Analyse and fix). I use this profile:

    Sheetfed offset (CMYK and spot colors, low res.)

    I then use Pitstop Pro to fix any of the issues raised.

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    Banned snokiedeath is on a distinguished road
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    Quote Originally Posted by Shiny View Post
    I always use the Acrobat Pro built-in pre-flighter which works a treat (Analyse only, not Analyse and fix). I use this profile:

    Sheetfed offset (CMYK and spot colors, low res.)

    I then use Pitstop Pro to fix any of the issues raised.
    Thanks, I will have to check out that workflow!

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    Banned snokiedeath is on a distinguished road
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    Quote Originally Posted by pdfmasterful View Post
    This is pretty straightforward, why not edit the profile to check for what you want it to check?
    Open the preflight profile by selecting edit or double clicking it. Go to the relevant part (color), go to the relevant check (Number of Separations is) adjust the number to the correct number of separations you want (current one is zero)

    then resave it with a new name where it will appear in the "Local' database

    Then you have a specific preflight check for what you want to check for.
    Thanks, but this makes me wonder; Shouldn't I rather be changing the profile I choose while exporting to PDF from InDesign?

    I find it hard to understand the correct uses of these profiles. I never have any problems with simple printwork thats meant for CMYK pressing or digital printing. But everytime there's Spot colors involved I have a hard time getting a good result file.

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    Junior Member Shiny is on a distinguished road
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    Quote Originally Posted by snokiedeath View Post
    Thanks, but this makes me wonder; Shouldn't I rather be changing the profile I choose while exporting to PDF from InDesign?

    I find it hard to understand the correct uses of these profiles. I never have any problems with simple printwork thats meant for CMYK pressing or digital printing. But everytime there's Spot colors involved I have a hard time getting a good result file.
    I export all my PDF's from Indesign using a modified version of the 'Press Quality' preset. I never have any problems with spot colours or pre-flights.

    I don't seem to have the PDF export profile you are using in Indesign, is it a bespoke profile?

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    Banned snokiedeath is on a distinguished road
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    It's a pretty common profile for printers in my region. Some have especially requested using it, so I kind of went to use it by default, to avoid problems. Been using it for years.

    What modifications have you made to the Press Quality profile, or are they irrelevant?

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    Banned kingofclowntopia is on a distinguished road
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    just package the file in indesign. be sure to notify the printer if you are printing spots. Best practices would be to convert spot colors to CMYK if you are printing 4 color. The correct conversions are available in the CMYK+ bridge swatch book or on pantone.com

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    Junior Member Shiny is on a distinguished road
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    Quote Originally Posted by snokiedeath View Post
    It's a pretty common profile for printers in my region. Some have especially requested using it, so I kind of went to use it by default, to avoid problems. Been using it for years.

    What modifications have you made to the Press Quality profile, or are they irrelevant?
    I've changed the profile to include 3mm bleed and add crop marks. I've also changed the compatibility to PDF 1.7 and changed the output to 'no colour conversion' and also to not include colour profiles.

    What version of Indesign are you using and did you start getting the problems once you updated Indesign? I had problems with spot colours when I first upgraded to CS6 because the Pantone library in CS6 now uses the LAB colourspace instead of CMYK.

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