Hello, I'm sorry if this question comes across as a bit stupid but I can't seem to solve this problem and the printer has not been helpful. I need to export a PDF for offset printing (it has to be PDF/x-1a:2001); the artwork will be printed on a color newspaper. I have a psd file with lots of photographic layers; vector smart objects, layer masks, etc.; working space is RGB. If I change this via Image --> Mode, it says "Changing modes will discard some adjustment layers; change mode anyway?" ; and then proceeds to rasterize some layers if I check ok. The color changes dramatically to a much darker shade. "Proof Colors" does not change the on screen appearance anyway. Should I convert it before exporting? Or just manage colors in the save dialog box? And when there, should I “Use Proof Setup: Working CMYK” and “Embed color profile…”? And also: should I Convert to Destination or allow “No Conversion”? What's the best thing I can do in order to get the best output of the colors? Thank you so much, looking forward for your response.
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