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how to match a bitmap black with a spot black

Discussion in 'Digital Printing' started by gabagoo, Jul 10, 2012.

  1. gabagoo

    gabagoo Major Contributor

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    I have not seen this in so long I forget what to do.

    I have a pdf file that is a mixture of a bitmap with a black background mixed into a black background spot colour.
    I am pretty sure i can see the colour differences on the screen and know this won't print correctly.

    How can I get them to be relatively close?
     
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  2. CanuckSigns

    CanuckSigns Very Active Member

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    can you use the colour eyedropper on the bitmap black, than change the spot black (which I assume is vector) to match?

    or just convert the whole image to either rgb or cmyk, which should force the 2 blacks to become 1
     
  3. thewood

    thewood Very Active Member

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    I would try this. If the blacks still don't match due to variance in Vector and Bitmap rendering, you can then rasterize the whole thing. Should work for a quick and dirty fix.
     
  4. ChicagoGraphics

    ChicagoGraphics Major Contributor

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    I don't know what rip your using, but like in Onyx you can change the colors in the rip
     
  5. gabagoo

    gabagoo Major Contributor

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    Oct 10, 2006
    Vaughan, Ontario
    Thanks guys, i don't see this issue to often and sort of forgot what to do....lol
     
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