[argyllcms] Re: Canon XPS printer drivers: fake CMYK or rogue CMS?
- From: János, Tóth F. <janos666@xxxxxxxxxx>
- To: argyllcms@xxxxxxxxxxxxx
- Date: Mon, 23 Sep 2013 09:18:30 +0200
I tried to tag the image with Eurocoated v2, set the same profile in
Win8.1's color settings for the printer and print with "printer manages
colors" is PS and "ICM profiles" mode in the XPS driver settings. The
resulted print wasn't saturated enough.
Another hint is that PhotoShop doesn't accept the installed CMYK profile if
I tell PS to do the color conversion before printing (instead of the
printer). So, I guess it won't work with PhotoShop either wasys. And it
seeems probable it detects and RGB device, not just assumes one (but it is
also possible because XPS printer drivers aren't common, CMYK usually
happens with PostScript drivers, everything else used to be RGB GDI.)
I will check out that file you mentioned.
I guess cheap native CMYK printing would have been too nice to be true.
On Sep 23, 2013 8:56 AM, "Graeme Gill" <graeme@xxxxxxxxxxxxx> wrote:
> János, Tóth F. wrote:
> > I just bought a cheap Canon multifunction printer and noticed that there
> is
> > an XPS driver on Canon's site.
>
> > I am still wondering if the printer receives color managed CMYK colors or
> > RGB colors when I print CMYK colors. I guess it doesn't. However, I don't
> > know how to prove it since the XPS driver seems to forcefully use an
> input
> > color profile.
>
> Hi,
> I don't remember all the details of the XPS driver, but a telling
> thing is what the printer XPS profile colorspace is. They are supposed
> to be XML, so you should be able to simply open the profile in
> a text editor and check it. If it's RGB, then the driver or device
> itself is saying it's an RGB device.
>
> There may be an XPS API to tell a printer to operate in native
> space for calibration & profiling, but this would need to be
> researched. Alternatively there is the "null transform" method - ie.
> tell XPS that the input and output colorspaces are the same.
>
> Graeme Gill.
>
>
>
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