Re: How to achieve print "same as source" in CS2 ?
Re: How to achieve print "same as source" in CS2 ?
- Subject: Re: How to achieve print "same as source" in CS2 ?
- From: Marco Ugolini <email@hidden>
- Date: Tue, 27 Jun 2006 12:45:10 -0700 (GMT-07:00)
In a message dated Jun 27, 2006 11:37 AM, Paul Schilliger wrote:
>Could you guys please help me on this: I want to print in PS CS2 a CMYK
>target to calibrate a LaserJet (at least try to...)
Paul, do you mean "calibrate" (as in "linearize"), or instead "profile"? If you are dealing with a Xerox device like the 7750, for example, there is software that comes with it, called PhaserMatch, that provides a linearization routine using one of the standard spectrophotometers (EyeOne Pro, etc.).
>In older versions of Photoshop, there was the option "let Photoshop
>manage colors", and there I could choose "same as source profile"
>instead of a printer profile.
Actually, "Let Photoshop Determine Colors" is a new nomenclature introduced with CS2. Earlier versions offered "Printer Color Management" (now "Let Printer Determine Colors"), "Same As Source" (now "No Color Management") and a choice of ICC profiles (available in CS2 by selecting "Let Photoshop Determine Colors"). "Same As Source" was the correct choice in earlier versions for printing a testchart to profile a printing device.
>How can I achieve this in CS2? If I choose "no color management", I
>guess that the source profile is ignored as well, right?
A properly built testchart image file is untagged (or ought to be), so there is no source profile. That, plus the choice of "No Color Management", is meant to ensure that the color numbers in the file are sent straight through to the printer without modifications of any sort (at least in theory).
>The CMYK conversion was made through custom settings
What conversion? The testchart in this case is already CMYK. Did *you* make the testchart file, or is it one of the standard ones that come with profiling packages like GretagMacbeth's ProfileMaker?
>and therefore there is no profile available for it that I can assign in the printer box.
Why would you want to assign a profile?
>Or maybe I could extract a profile from the image file with some utility and
>use it? Would that work? Any better way to do that?
I'm afraid there's a bit of confusion here. If you have Bruce Fraser's "Real World Color Management, you may want to revisit the section dedicated to printing testcharts (I believe it's Chapter 8).
Best regards.
------
Marco Ugolini
Mill Valley, CA
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