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PDF background
A lot of my PDF files generate a thumbnail with a black background instead of white. I have tried several PDF export options, but nothing solves this problem. I think this may be a transparency or layer issue, but I have flattened and exported and am experiencing the same thumbnail issue over and over again. Any ideas?
Customer support service by UserEcho
I think I fixed the issue. I exported RGB instead of CMYK, and now the thumbnail looks as it should. Can this be confirmed, that CMYK files do not generate accurate thumbnails?
If you share a sample file and the version of ImageMagick you are using, I will check to see if we can improve this on FileRun side.