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Thread: [MAC] PDF Quick Look preview problem

  1. #1
    Junior Member Pappy is on a distinguished road
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    [MAC] PDF Quick Look preview problem

    I'm having issues with using the Quicklook preview on my Mac 10.6.8.
    Anytime I save an Illustrator file to PDF that contains pants, they show up as black when I hit cmd-y or spacebar to quickly preview the file. When opened in acrobat or Illustrator however, everything is fine. It's just a nuisance and I'm always doubting myself whether I saved it properly or not.
    Any else experience this?

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    Junior Member hardy126 is on a distinguished road
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    Will is the file is too large, quick preview reaction when not so fast

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    Junior Member Pappy is on a distinguished road
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    Some file sizes are large, and some are under 100k. The thing is, when I preview it it a PMS it show all instances of the PMS as black. But when I convert that PMS to a CMYK and resave it, the preview shows the CMYK colour. It definitely seems to be a pant preview issue. Maybe screens cant support previewing pants?

  4. #4
    PRC Member r00tp will become famous soon enough
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    Thsi is a known problem with Mac OS/Quicklook.

    Your spot colors alternate values are defined as LAB. Save the files with ICC-profiles and it should work with 10.6.8. Another option could be to use "Use CMYK Values From The Manufacturer’s Process Book" for your spot colors. But newer Pant Books (Pant Plus) only use LAB values, so with CS6/Pant Plus this is no option.

    The problem got worse with newer MAC OS versions even the workaround with included ICC profiles stopped working. Good news is, that Apple seems to have fixed this bug in Mac OS 10.8.4: LAB spots with and without ICC profiles started display correctly again.

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    Junior Member Pappy is on a distinguished road
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    Thanks for the suggestions r00tp. By default, the .ai files are always saved with the "Embedd ICC profile" checked. Is that what you meant by "Save the files with ICC-profiles?
    I also changed to "Use CMYK Values From Manufacturer's Process Book" in the spot colour options and it still shows all Pant colours as black when I quickpreview it.

  7. #6
    PRC Member r00tp will become famous soon enough
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    Quote Originally Posted by Pappy View Post
    Thanks for the suggestions r00tp. By default, the .ai files are always saved with the "Embedd ICC profile" checked. Is that what you meant by "Save the files with ICC-profiles?
    Not exactly since this is an option if you save .ai but you were asking about PDFs in the first place. But i just checked it and it works as i said: Colors shown right if profiles are included.

    Quote Originally Posted by Pappy View Post
    I also changed to "Use CMYK Values From Manufacturer's Process Book" in the spot colour options and it still shows all Pant colours as black when I quickpreview it.
    As i said, this is no longer possible if you use Pant Plus since all CMYK values are removed from those newer color libraries. Apart from that it should work.

    Could you perhaps provide a sample file?

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  9. #7
    Junior Member Pappy is on a distinguished road
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    Sorry, I neglected to mention that this happens while quickpreviewing .ai & .pdf files.
    Here is the same file saved as .ai and as .pdf.
    http://ge.tt/6Ikpm2r?c
    The top bar is the CMYK equivalent and the bottom bar is the pant.

  10. #8
    PRC Member r00tp will become famous soon enough
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    Both files do not have profiles included!

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  12. #9
    Junior Member Pappy is on a distinguished road
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    whoops complete oversight on my part. problem solved. thanks r00tp, much appreciated.
    i noticed the "Don't Color Manage This Document" option is selected by default in the Assign Profile box.

  13. #10
    PRC Member r00tp will become famous soon enough
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    Quote Originally Posted by Pappy
    whoops complete oversight on my part. problem solved. thanks r00tp, much appreciated.
    why not the button then?
    Quote Originally Posted by Pappy
    i noticed the "Don't Color Manage This Document" option is selected by default in the Assign Profile box.
    Good catch! Can’t tell what’s reasonable for your workflow, but you’re using CS6 and therefore Pant Plus is the default. You could switch back to the older Pant color books and still go the "Use CMYK Values From Manufacturer's Process Book" route.

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