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Didier H.
Didier H.
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PDF/X-4 Device Colour Space inconsistency issue or not

Jun 22, 2011 6:44 AM

Hi all,

 

If a deviceRGB image is lying completely outside of trim and bleed, and the PDF/X output intent is set to CMYK, should a preflight flag this as an error according to ISO1590-7:2010 or not? I have tools that currently do this. If I read chapter 6.4.3.2 of ISO 15930-7:2010, I'm not really sure that is what these preflight app's should do:

 

Device colour spaces may be used for print elements only if:

⎯ they match the space specified in the PDF/X output intent; or

⎯ the PDF/X output intent specifies a CMYK print characterization, and the device colour space is DeviceGray.

 

All input to help me solve this puzzle is more than welcome.

392 Views   3 Replies   Latest reply: lrosenth, Jun 23, 2011 1:37 PM
 
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  • lrosenth
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    1. lrosenth,
    Jun 22, 2011 9:57 AM   in reply to Didier H.
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    Looks like I was confusing the Ghent Workgroup specs (and their use of TrimBox to define an area for print elements) with the PDF/X-4 standard which clearly (6.1.3) says that anything drawn on the page is a print element.

     

    Sorry for the confusion.

     
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  • Didier H.
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    2. Didier H.,
    Jun 22, 2011 1:19 PM   in reply to lrosenth
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    > anything drawn on the page is a print element.

     

    And that may include objects that are lying completely outside trim or bleed, right (just to be sure :-)?

     
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  • lrosenth
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    3. lrosenth,
    Jun 23, 2011 1:37 PM   in reply to Didier H.
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    Right

     
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