Any known issues w CMYK-Grayscale conversion on PDF output?

Discuss QuarkXPress 2015/2016/2017 color management functionality including DeviceN workflows.

Any known issues w CMYK-Grayscale conversion on PDF output?

Postby dria17 » 02 Feb 2017, 22:51

We recently updated to QuarkXpress 2016 from QuarkXpress 9 (Windows), and I'm hearing some complaints of the B/W images being muddy (no complaints about 4-color pages). I haven't been able to see these pages in person yet, but I before I do, I was just wondering if there were any known issues with CMYK to Grayscale conversion. I never had any issues before, and I imported the same same 1-c output settings I was using before... just trying to nail down where this issue might be originating.
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Re: Any known issues w CMYK-Grayscale conversion on PDF outp

Postby Matthias Guenther (Quark) » 03 Feb 2017, 01:55

Hi Dria,

you need to share more details please. As you outputting as Grayscale? Then you might want to use the "Grayscale 100K" output profile. Or are you outputting as RGB/CMYK and the grayscale images do not convert properly?

Thanks
Matthias
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Re: Any known issues w CMYK-Grayscale conversion on PDF outp

Postby dria17 » 03 Feb 2017, 08:20

As you outputting as Grayscale?

Yes. I'm outputting for both a print (B/W & Color pages) and online editions (Full Color). Aside from the occasional problematic image, I never had much issue with letting Quark convert images from CMYK to Grayscale... but, apparently, now there is.

I imported the output settings that I've been using for years (in Quark 9), but I will look into the "Grayscale 100K" output profile when I get into the office.


Additionally: I know that it's now suggested to let InDesign convert RGB images to CMYK for you, is the same true for QuarkXpress 2016? Or should we continue using only CMYK/GrayScale images? Thanks!
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Re: Any known issues w CMYK-Grayscale conversion on PDF outp

Postby Matthias Guenther (Quark) » 06 Feb 2017, 04:08

Hi Dria,

personally I am not aware of any issues with Grayscale 100k output (and conversion), so please try and let me know the results.

Thanks
Matthias
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