[argyllcms] Re: hplip printer driver and color management

  • From: Milan Knížek <knizek.confy@xxxxxxxx>
  • To: argyllcms@xxxxxxxxxxxxx
  • Date: Mon, 08 Sep 2008 18:01:02 +0200

Hello Hal,

thanks for answering

Hal V. Engel píše v Út 02. 09. 2008 v 13:15 -0700:
> There are currently no end user tools for doing linearization with the
> GutenPrinter drivers.
> 
> I would expect that most GutenPrint users on this list also use their
> printers as CMYK devices.

What kind of colour mode do you use for CMYK printing?

The "uncorrected" one is supposedly for users that want to create own
profiles, while "raw" expects the user to additionaly take care about
ink limits and linearisation. (According to Gutenprint 5.0 User's Manual
by Robert Krawitz.)

Since CMYK profile generation requires ink limit as an input parameter,
I would expect that "uncorrected" mode should be avoided in preference
of "raw". However, it would require to handle the linearisation outside
of gutenprint - which is not available now.

So at the end, we are back to "uncorrected" mode and could have issues
with double use of total ink limits - in profile and gutenprint (where
it is unclear to me what the default settings for a particular paper/ink
combination are).

Am I right?

(Sorry for getting off-topic.)

Best regards,

Milan Knizek
knizek (dot) confy (at) volny (dot) cz
http://www.milan-knizek.net - about linux and photography


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