Overprint will solve?

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    • #88947

      Hi.

      We just changed the printer for our magazine and we have several problems. It’s okay, we are solving them for the next issue but I have a question and maybe you can help me.

      In the left side we have a color bar with some strokes over it, and in some pages we had some banging, like this:

      https://orlandoemrevista.com.br/wp-content/uploads/2016/10/overprint.jpg

      As you can see there are some small white spaces, like the black was out of registration. The object Attributes “Overprint Stroke” is on, so: is that a ripper problem or turning on this overprint won’t make any difference?

      Many thanks,
      Luiz

    • #88968
      Salieri
      Member

      In the PDF you sent to print, does the black overprint the red correctly? If it does then it is a problem at the printer’s end.

    • #88970

      Hi.

      Yes, it was okay. I did the “Attributes” and “Overprint Stroke” as always and just checked my PDF in Acrobat. Bad news for the printer. :) As I said, they made a lot of mistakes…

      Thanks a lot!
      Luiz

    • #89100
      DCurry
      Participant

      There may have been other issues with your file that required the printer to globally knock out black at the RIP, or perhaps that is their default protocol (there are occasions where overprinting black produces undesirable results, such as a large black box sitting overtop a portion of an image and if the black overprints, you’ll see a density difference where the image is).

      Still, even if they knocked it out on purpose, there should be trapping applied to minimize misregistration.

    • #89144

      Thanks, DCurrry. I’m finishing a new file to be printed this week, and I’ll be in the printer during the whole process. They are a very big company, but they said the made the last issue in a hurry, so they had so many mistakes… I’m really not happy with that, but I know them from the past so I think we can do a good work together, I just need to set up all the standards with them.

      They should be done right in the first time, but here we need to thank when they at least do part of their jobs. :(

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