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QTR-Quadtone RIP

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Re: [QuadtoneRIP] Confusion regarding Profiles and QTR

2005-10-30 by Tom Husband

Hi John,
I know what you mean about being confused. The whole B&W thing is very complex and then to top it off things are changing constantly.
I have a 2200 and print to file with Qimage too. In CS2 I use Adobe RGB (1998) as my working profile and then when I set up Qimage I add QTR-RGB Matte Paper profile to the Prtr ICC Job Option tab in Qimage. Then I usually print to the desk top and drag it into QTR.
Hope that helps a bit.
Tom
----- Original Message -----
From: John Wood
Sent: Sunday, October 30, 2005 11:10 AM
Subject: [QuadtoneRIP] Confusion regarding Profiles and QTR

Hi.

I'm really confused about a particular point (well, in fact I'm
confused about a load of things relating to QTR, profiles, Dmax, L*,
etc etc etc - but this is the first question on my list!!!).
Grateful for any help!

I have been playing around with QTR on Windows and my Epson 2200 for
a few weeks. I use CS2 and ConvertToB&WPro V3 for image
manipulation (usually limited to dodging & burning), Qimage (print
to file) for final print interpolation and sharpening and
the "canned" QTR EEH curves for final printing on EEH (usually 75%
cool 25% warm works well for me).

The print output file produced by Qimage does not have an embedded
profile (when I open the file from CS2 it asks me if I want to
assign a profile). What should I do at this point – should I assign
a profile before printing or not? And if I do, which profile should
I assign – Adobe RGB, Dot Gain 20%, or one of the QTR profiles? Or
does this not matter one iota to QTR?

I've tried to find the answer in the manuals and this forum but I'm
hopelessly uneducated in this whole subject and totally overwhelmed
by the jargon!

Thanks for any advice!

John Wood

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