Search:

mwenz, Albacore, thanks a lot for all the advice!

Just realized that in the PDF, black text, in addition to K, also has components in the C, M, and Y channels. Indeed in the test print I realized that there are slight color fringes, which I...

The alternative would be to convert to grayscale using Acrobat's Print Production tool, i.e. to move image data from all CMYK channels to the K channel. That's definitely no less effort than simply...

I’m fully aware of this, and that’s why I intend to replace the image in the PDF with the original grayscale image from the scan. Of course, the scan has already been converted from RGB as the...

Read it more like a bug report, with steps specifically targeted at illustrating an issue that I don’t understand: Why does saturation of grayscale images change on import?


It’s a grayscale...

Just playing with the test version of Acrobat. It's relatively simple to replace an image with its full-resolution grayscale version. Only, then there is loss of contrast. This is unexpected to me....

Thanks for the suggestions. Some notes:

Text stays text with A-PDF. I would be surprised if it doesn’t, since the advertised use case of the tool is to shrink PDF size. Only – as I wrote – one...

Thanks for clarification! Any alternative to $$$ Acrobat? I’m fine with command line tools.

Update: Discovered a tool myself, A-PDF Black/White. The suggested use case is minimizing file size by...

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...