Help! My file does not save the overprints !!

New Here ,
Jan 24, 2018 Jan 24, 2018

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Hi! I need your help, I work in prepress for flexography, when it comes to working on my file, everything is saved very well (image)Captura de pantalla 2018-01-24 a la(s) 9.26.10 a. m..png

When I open the file again, just to verify that everything is fine, I am surprised that my pre-press was not saved! Disable my overprints. (image)

Captura de pantalla 2018-01-24 a la(s) 4.07.26 p. m..png

Captura de pantalla 2018-01-24 a la(s) 4.07.54 p. m..png

Can you help me please?

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correct answers 1 Correct answer

Adobe Community Professional , Jan 25, 2018 Jan 25, 2018
Your problem is that your have a gradient on stroke. You can make this look correct on screen before slosing the fileWhen you reopen teh overprint goes away as you have discovered.AS a test put put a solid color on the stroke that holds after reopening the file, so the problem is gradient strokes.Use object >> path >> outline stroke and your probelm will  be fixed.http://files.kaleidoscopechicago.com/_FI2NI8JJJR0sIRfile_overprint_Outline stroke.ai2.6 MBThe URL will expire on Feb 24.An even easie...

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Adobe Community Professional ,
Jan 24, 2018 Jan 24, 2018

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carlosf22049503  schrieb

When I open the file again, just to verify that everything is fine, I am surprised that my pre-press was not saved! Disable my overprints. (image)

Can you please describe exactly step by step what you are doing and what exactly does not get saved and how exactly you come to that conclusion.

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New Here ,
Jan 24, 2018 Jan 24, 2018

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Of course! the file has to be in CMYK, to do this process, you make a square as a background (black) and you make a figure in vector, you put a yellow gradient, and in the stroke you apply with the same gradient. There is an option in the attributes panel, click overprint stroke and you will see that the trace is hidden with the black color, and you save the file in .ai. Try to open again, and you have to see again the stroke on the black, which is the problem that my file has, does not save the overprint of the stroke. I hope and you can help me find the mistake!

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Adobe Community Professional ,
Jan 24, 2018 Jan 24, 2018

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The attributes panel is still around, but most people use the multiply blending mode in the transparency palette. Is easier to proof your work, and you can set multiply at the path, group or layer level (use your appearance panel to determine what level your selection is).

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New Here ,
Jan 24, 2018 Jan 24, 2018

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Thank you, it is very useful, that method, but would it be an error of the illustrator that does not mark the overprint of the stroke

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Adobe Community Professional ,
Jan 24, 2018 Jan 24, 2018

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Can you post a copy of the the corn using dropbox or similar ftp link? Might be the construction of the corn, how you are selecting the object.

Does this happen with anything else, are you trapping the file is why you need overprints?

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New Here ,
Jan 24, 2018 Jan 24, 2018

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Need the overprint, to protect the stroke (image), when printing, by the movement of the machine (flexography printer) 

trapping1.gif

I share link of the file: that problem, only gives, when it is applied degraded.

https://we.tl/mHoT5cJIfh

Delete link 31 January 2018

Thanks!

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New Here ,
Jan 25, 2018 Jan 25, 2018

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Any solution or suggestion?

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Adobe Community Professional ,
Jan 25, 2018 Jan 25, 2018

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Your problem is that your have a gradient on stroke. You can make this look correct on screen before slosing the file

Screen Shot 2018-01-25 at 2.17.10 PM.png

When you reopen teh overprint goes away as you have discovered.

Screen Shot 2018-01-25 at 2.17.02 PM.png

AS a test put put a solid color on the stroke that holds after reopening the file, so the problem is gradient strokes.

Screen Shot 2018-01-25 at 2.20.53 PM.png

Use object >> path >> outline stroke and your probelm will  be fixed.

http://files.kaleidoscopechicago.com/_FI2NI8JJJR0sIR

file_overprint_Outline stroke.ai

2.6 MB

The URL will expire on Feb 24.

An even easier solution is to set the stroke blend mode in transparency to multiply.

http://files.kaleidoscopechicago.com/_gQ2AB9FohRssZR

file_overprint_stroke-multiply.ai

2.6 MB

The URL will expire on Feb 24.

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New Here ,
Jan 25, 2018 Jan 25, 2018

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Thank you very much! MikeGondek I would have to work it that way

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Adobe Community Professional ,
Jan 25, 2018 Jan 25, 2018

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Mike is right the gradient on the stroke is the problem (and his Multiply suggestion looks like the right way to work around the problem).

I tested it in older versions (CS6) and the problem was already there.

You may want to report it here:

Adobe Illustrator Feedback

Edit: there is at least one similar problem mentioned, but that was closed:

Illustrator CC 2018 no more overprint after saving!!!!!!! – Adobe Illustrator Feedback

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New Here ,
Jan 25, 2018 Jan 25, 2018

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I will report that mistake, thank you! @Ton Frederiks

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