RE: Problems with Atkinson profiles on an Epson 9600
RE: Problems with Atkinson profiles on an Epson 9600
- Subject: RE: Problems with Atkinson profiles on an Epson 9600
- From: Tim Vitale <email@hidden>
- Date: Fri, 09 Sep 2011 14:52:27 -0700
- Importance: Normal
Thanks Tyler
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From: colorsync-users-bounces+tjvitale=email@hidden
[mailto:colorsync-users-bounces+tjvitale=email@hidden]O
n Behalf Of email@hidden
Sent: Friday, September 09, 2011 12:06 PM
To: email@hidden
Subject: RE: Problems with Atkinson profiles on an Epson 9600
if Color Base was available in 9600 days, it may well be worth the time to
find, install, and run it on the media settings you use for the particular
Atkinson profiles.
TJV: Looks like ColorBase was only available for Stylus R2400 & Pro
4800/7800/9800 and later, not 76/9600. Too bad, it looks like its the
ticket for linearization to factory specifications.
I have not seen Epson drift over the years to the extent you imply, I
would suspect an OS, app, or driver update, or combination of those, the
be the problem. Or media manufacture evolution?
TJV: I feel the same about the degree of drift I have seen. You can be
sure: I have been over and over the setup trying to find the small error
that is producing this effect. The OS and version of PS are the same as
when I didn't see this effect. The driver updates, well, time just can't be
rolled back system move forward. I used to print the same images from both
Mac and PC based PS and never saw any difference. I saw Epson as very
stable and uniform. I'm with you on this issue, just haven't seen this type
of problem.
The ColorThink curves are telling you more about what each profile
measurement data is reporting about the state of uncorrected output at
measurement time than anything else, and differences may even just be
between the devices used for each. Without all things being equal, device,
software, settings, etc etc, with a before and after profile made
identically to compare curves, I'm not sure the curves are helping with
your particular issues right now.
TJV: I'm hearing you, but I saw the curves made by Atkinson at a
presentation. They were much more complex than those shown in ColorThink,
but related. They were the real deal. If I'm not misunderstanding, its all
about taking the output and correcting it back to a standard, thus the curve
represents how much change has to be made to get output back to a standard
state.
I see that you run an artist quality digital printing service, so you know
the issues.
Have you ever tried to build a new profile built on a previous version.
Seems as if you might have been there.
Thanks for your interest and advice, I'm chewing on what you've said.
Tim Vitale
Paper and Photographs Conservator
Oakland, CA
510-594-82877
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