Steps:
- Open the attached document in Xara Designer Pro X11. The included image has no color information. It is purely gray scale.
- Export as PDF for commercial printing.
- Extract the image from the PDF, e.g. using pdfimages: pdfimages grayscale.pdf img
- Open the exported image in Xara or e.g. the Gimp.
- With the color picker inspect the gray areas. They contain color information now. For example, what was #999999 in the original Xara document is now #8e8582.
The problem is that the colors do appear in print, as an undesired tint.
How do I properly export a PDF with all images as grayscale? In the actual document, only text has color.
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