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Acrobat error message: The PDF document contained image masks that were not downsampled.

May 21, 2009 1:01 PM

I'm .pfing a document from InDesign CS2, and even after I use Acrobat 8 to try to reduce the file size, the file is still about 12 mb. I 'm getting the error listed above, and wondering if that has anything to do with it.

 

Any suggestions?

 

Thanks.

 
Replies
  • Currently Being Moderated
    May 21, 2009 1:41 PM   in reply to IndyDebbie

    Use the PDF Optimiser / Audit Space Usage /   option

    This will break down the content based on %

    You can then re-optimise and address there key areas

     

    The image masks are a way Acrobat has of producing holes inside of transparent objects for other objects to shine through - so a red herring in this instance.

     

    Hope this helps?

     

    Jon

     
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  • Currently Being Moderated
    May 21, 2009 2:35 PM   in reply to IndyDebbie

    Content streams are pages, type 3 fonts, comments (annotations), form fields and XObjects.

     

    If you're really concerned about the file size, one trick (although not recommended since it can cause other issues such as fonts busting out, colour transformations etc) would be to open the PDF and then PRINT to the Adobe PDF printer using say STANDARD or SMALLEST FILE SIZE ... this re-fry might will remove/re-create the content streams and reduce the overall size.

     

    Cheers,

     

    Jon

     
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