Manege Posted November 19, 2020 Share Posted November 19, 2020 Hi there, I try to export a book from publisher to PDF. The book will be printed in black only rather than cmyk. The document in publisher is set to "gray gamma 2.2" and in the export dialog I've chosen the same profile as well. The printing company tells me that the text ist 100% black and that is good but the images are in RBG. If they convert them to black they will loose contrast. Any Idea what I need to change in my settings to convert the images to grey? Thanks Quote Link to comment Share on other sites More sharing options...
MickRose Posted November 19, 2020 Share Posted November 19, 2020 Try this. Keep the document as CMYK. Click on the colour photos and click the "K only" on the top toolbar. Then change the document to Grey/8 and export. Quote Windows 10 Pro, I5 3.3G PC 16G RAM Link to comment Share on other sites More sharing options...
MickRose Posted November 19, 2020 Share Posted November 19, 2020 An easier way is to click "Convert image colour spaces" in the PDF export settings. It doesn't work in PDF X/1a but the others are okay. Callum 1 Quote Windows 10 Pro, I5 3.3G PC 16G RAM Link to comment Share on other sites More sharing options...
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