Archived posting to the Leica Users Group, 2004/09/25

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Subject: [Leica] OT: Photoshop help!
From: clive.moss at gmail.com (Clive Moss)
Date: Sat Sep 25 19:25:33 2004
References: <18A67F7C-EE6B-11D8-8A11-000A95BA5A2C@openhealth.org><p05111001bd4536a3195 f@[192.168.102.101]><6.1.0.6.2.20040815142054.05247ae8@192.168.100.11><p05 111003bd45a12d4024@[192.168.102.101]> <6.1.0.6.2.20040815164018.05284b70@192.168.100.11> <p05111001bd45b51af397@192.168.102.100>

On Mon, 16 Aug 2004 09:54:04 +0900, Karen Nakamura <mail@gpsy.com> wrote:
> >
> >Well no, Print Preview should match what it prints out so it's doing
> >what it "supposes" to do. Looks like the problem here is that the
> >color gamut of the printer is way off, comparing to the Adobe RGB.
> >Possibly you have a bad printer or bad set of ink? However, if the
> >profile is a generic one from Epson, this that is what the printer
> >is capable of :-( Under Photoshop, View->ProofSetUp, select Custom
> >and load your printer ICC profile and save it. Now you can see a
> >soft proof w/o going to Print Preview. You should also turn on Gamut
> >Warning.
> 
> The next step is to save a copy and work with the Soft Proof setting
> to your printer's profile, and then tweak the color to match what you
> want. A good way to do that is to duplicate your view and one set to
> your normal RGB and one to the Soft Proof. Now if only someone writes
> a PhotoShoop Action that says, "take from this View and make it look
> like that view" and you would be all set.
> 
> OK. I think I've been doing this all wrong then.
> 
> This works:  If I go to View->Proof Setup and then select my "Monitor
> RGB", I get what I've been calling the desaturated version.  I then
> go to Hue/Saturation and pump up the saturation. Then when I go
> Print->Preview, the Preview window matches the source image, and then
> the printed image matches everything.
> 
> I guess I had assumed that if I spydered the monitor, then Photoshop
> would automatically take the monitor ICC into account. But I guess it
> doesn't until you use:  View->ProofSetup->Monitor RGB
> 
That's odd. I always have my Proof Set-up pointing to the profile for
the desired output device  and paper, not the Monitor. In the Adobe
Print Preview, I get colors that look fine. In the Epson drivers Print
Preview, I get wrong, often Magenta, colors. This threw me, until I
realized that Photoshop was doing all the color management. With the
driver set to "No color adjustment" , the driver did not know what
would get printed.

The key (for me) was to realize that I needed to tell BOTH Photoshop
AND the Epson printer driver everthing they both wanted to know about
the image - and then set "No color Adjustment" in the printer driver
so that Photoshop in in charge of color management. There seems to be
limited communication between the two -- and each Printer's driver is
a little different.

-- 
Clive
http://www.clive.moss.net