CSW330 Posted July 6, 2022 Share Posted July 6, 2022 Hello: Each time I've uploaded my book's PDF to lulu.com, they return an error message saying, "Transparency: We detected an element that may be transparent within your file. We strongly recommend flattening or removing any transparencies in your file." I've gone through all of my images and none are layered or have transparency. All are 100% opaque .jpg files. Are there any transparency settings that can potentially exist within the fonts? Thanks, Craig Quote Link to comment Share on other sites More sharing options...
Alfred Posted July 6, 2022 Share Posted July 6, 2022 Which PDF preset are you using? PDF/X-1a:2003 (based on PDF 1.4) should work as you require, since it flattens transparency. Quote Alfred Affinity Designer/Photo/Publisher 2 for Windows • Windows 10 Home/Pro Affinity Designer/Photo/Publisher 2 for iPad • iPadOS 17.5.1 (iPad 7th gen) Link to comment Share on other sites More sharing options...
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