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Stehli_Adalis
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White Lines when importing PDFs to Photoshop

Nov 23, 2012 12:40 AM

Please see this thread for further information:

http://feedback.photoshop.com/photoshop_family/topics/photoshop_cs6_pd f_import_adds_artifacts_to_images

 

Photoshop-Team says its an error with Indesign, not an error with Photoshop.

1073 Views   12 Replies   Latest reply: Dov Isaacs, Mar 7, 2013 9:03 AM
 
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  • Laubender
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    1. Laubender,
    Nov 23, 2012 12:49 AM   in reply to Stehli_Adalis
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    @Stehli_Adalis – if you have the chance to write new PDFs do so without flattening transparency. PDF version 1.4 and above when exported. Then the rendering in PhotoShop should be ok.

     

    Uwe

     
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  • Stehli_Adalis
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    2. Stehli_Adalis,
    Nov 23, 2012 12:53 AM   in reply to Laubender
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    @Laubender: I already wrote about this workaround at the link. But its only that - a workaround. Most printers only accept flattened 1.3 PDFs and I would like to be able to open PDFs created from other people whom I have no control over how they export. And its definitely a problem only occuring with CS6, in CS3 everything was fine.

     
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  • Bob Levine
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    3. Bob Levine,
    Nov 23, 2012 4:49 AM   in reply to Stehli_Adalis
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    Stehli_Adalis wrote:

     

    Most printers only accept flattened 1.3 PDFs

    Any printer such as that should be avoided at all costs. Live transparency has been a fact of life for 10 years now and PDF X/4 is now a widely accepted standard for printing. X/4 includes not only live transparency but RGB as well.

     

    Bob

     
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  • Stehli_Adalis
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    4. Stehli_Adalis,
    Nov 23, 2012 4:55 AM   in reply to Bob Levine
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    That might be correct for the US, but in Europe its still widely the only accepted version. I just checked to be sure and looked at the 10 biggest online-printing companys and ALL only accept 1.3. Even specialised "offline" printers only accept 1.3, with anything newer being an exception not the norm.

     
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  • Bob Levine
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    5. Bob Levine,
    Nov 23, 2012 5:04 AM   in reply to Stehli_Adalis
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    Many printers have not updated their file requirements on line. Call them.

     

    I cannot speak for Adobe but my guess is that this is something that will not be addressed any time soon.

     

    Bob

     
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  • Stehli_Adalis
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    6. Stehli_Adalis,
    Nov 23, 2012 5:08 AM   in reply to Bob Levine
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    It can't be the solution that I try to force companys with upwards of 500.000 orders per day to update theire workflow. Its a problem/bug Adobe introduced with CS6 which was non-existent in earlier versions.

     
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  • Bob Levine
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    7. Bob Levine,
    Nov 23, 2012 5:17 AM   in reply to Stehli_Adalis
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    Like I said…I can’t and won’t speak for Adobe. But X/4 is the standard today and it works with any modern workflow. Any workflow that requires a flattened PDF is incredibly old.

     

     

     

    Today, flattened PDFs are considered by most, including myself, to be a workaround, not the other way around.

     

     

     

    Bob

     
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  • Peter Spier
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    8. Peter Spier,
    Nov 23, 2012 6:40 AM   in reply to Stehli_Adalis
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    You can try exporting the PDF with live transparency, then flatten it in Acrobat.

     
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  • Dov Isaacs
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    9. Dov Isaacs,
    Nov 23, 2012 11:33 AM   in reply to Stehli_Adalis
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    Stehli_Adalis wrote:

     

    That might be correct for the US, but in Europe its still widely the only accepted version. I just checked to be sure and looked at the 10 biggest online-printing companys and ALL only accept 1.3. Even specialised "offline" printers only accept 1.3, with anything newer being an exception not the norm.

     

    Not really true. The Ghent PDF Workgroup has officially approved its 2012 standards that are now based on PDF/X-4 with live transparency. We expect that most if not all European print associations will endorse this within the next year and their members (most European printers) will be required to accept PDF/X-4 per the Ghent PDF Workgroup standards.

     

              - Dov

     
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  • Laubender
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    10. Laubender,
    Nov 24, 2012 1:37 AM   in reply to Dov Isaacs
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    @Dov – let us hope, that PDF/X-4 will be adopted soon; by every printing company.

     

    Just an additional note:
    some of the biggest European online printers demand PDF/X-3 with restrictions that in effect mean you have to deliver a PDF/X-1a with fonts converted to outline paths. This is really rediculous…

     

    PDF/X-3 has it's own problems and I would never recommend using that standard as export format. Either the old PDF/X-1a or (much, much better) PDF/X-4. For the online printers mentioned above I use always PDF/X-1a disguised as PDF/X-3. No "technical" problem here. It's just a hack, because PDF/X-1a can be regarded as a subset of PDF/X-3. 

     

    But I made that point already on another thread a couple of months ago…

     

    Regarding the thread, that the OP has linked to:

     

    I cannot understand that a professional workflow is based on rendering PDFs in PhotoShop.
    This might be good for illustration purposes, but as a direct output-to-device workflow? I don't know…

     

    Uwe

     
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  • HeliumFish
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    11. HeliumFish,
    Mar 7, 2013 7:04 AM   in reply to Laubender
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    PPA Pass4Press still recommends using PDF/X-1a Acrobat 4 1.3

     

    Bob or Dov, We have used the PPA Pass4Press settings for years, are there any other print production guidelines we should adopt?

     
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  • Dov Isaacs
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    12. Dov Isaacs,
    Mar 7, 2013 9:03 AM   in reply to HeliumFish
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    As indicated in this thread, Adobe most strongly recommends use of PDF/X-4!

     

    If your print workflow uses any RIP or DFE (Digital Front End - RIP for digital print engine) that has the Adobe PDF Print Engine (or even versions of Global Graphics' Harlequin technologies from the last half dozen years), you are actually degrading your printed output unless you use PDF/X-4 with live transparency and color management!!!

     

              - Dov

     
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