[cups] question about profile/driver

[Michael Sweet]

Pascal,

You are probably better off asking the Gutenprint folks directly (gimp-print-users at lists.sourceforge.net or gimp-print-devel at lists.sourceforge.net).


On Sep 29, 2014, at 7:14 AM, Pascal Obry <pascal at obry.net> wrote:

> I've been printing on an Epson 3880 (CUPS+gutenprint driver) since more
> than a year with an home made ICC profile on a GNU/Debian sid machine.
> 
> Today I have found that my pictures where not correct regarding color
> rendering. After checking again and again all my parameters I have
> decided to print my 3 color charts to recalibrate and indeed the colors
> are not identical (more saturated, but not uniformly the blue and red
> seems more saturated) than in my first charts that I had kept around.
> 
> I'm currently using CUPS 1.7.5 and Gutenprint 5.2.10.
> 
> So, my question... Is this expected? Does some color rendering have been
> changed recently on the driver?
> 
> Any hints?
> 
> Regards,
> 
> PS: I'm ok to recalibrate, I just wanted to raise this issue to be sure
> this is expected and there is not something more fishy (bug?) around.
> 
> -- 
>  Pascal Obry /  Magny Les Hameaux (78)
> 
>  The best way to travel is by means of imagination
> 
>  http://v2p.fr.eu.org
>  http://www.obry.net
> 
>  gpg --keyserver keys.gnupg.net --recv-key F949BD3B
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_________________________________________________________
Michael Sweet, Senior Printing System Engineer, PWG Chair