I have had the exact same printer since February when my old Epson finally went
to the printer graveyard. I have profiled papers from Canson, Museo, Moab, and
Hahnemuhle that I regularly use. I have an i1 Pro spectro and had error
reports that were all in the acceptable range. I have a box of Red River Palo
Duro Etching that I bought to see what the profiling difference was using
Argyll versus the manufacturer's profile that was done by Chromix using M3
measurements. There was considerable discussion about the use of M3
measurements and the very weird black point that results from such readings:
https://forum.luminous-landscape.com/index.php?topic=118349.0 I did a quick ;
Argyll profile for my new Canon printer and it was OK (I don't print on this
paper as I don't care for the surface).
I don't know why you are seeing such problems unless your i1 Studio is behaving
badly. Only thing to suggest is to just print a one page patch set and read
that to see if you get readings within a comfortable error range.
Alan
-----Original Message-----
From: argyllcms-bounce@xxxxxxxxxxxxx [mailto:argyllcms-bounce@xxxxxxxxxxxxx] On ;
Behalf Of Yves Gauvreau
Sent: Sunday, December 8, 2019 9:04 AM
To: argyllcms@xxxxxxxxxxxxx
Subject: [argyllcms] Re: Something is wrong
Printer is a Canon Pro-1000
The Paper is from Red River Palo Duro Softgloss Rag (no oba, acid-free) (I try
not to use any paper with OBA as much as possible)
The instrument is a I1 Studio (ColorMunki)
I did a profile for the same printer and instrument but another Red River
Paper, Palo Duro Etching and I don't remember the error level but at least the
gamut is smooth, no wrinkles or similar the SGR profile give me.
Hope this help, if needed I can provide links to image of the gamut.
Thanks,
Yves
On 12/8/2019 8:19 AM, Alan Goldhammer (Redacted sender agoldhammer for
DMARC) wrote:
The errors you report are at least ten fold greater than I have ever seen
using Argyll. It would be useful to know what printer and paper(s) you are
profiling. I do know that some textured matte papers can give higher errors
because of light scattering but in my experience it's usually less than 5%
compared to smoother surface papers. I don't know if OBA containing papers
would cause such errors as I do not print on those.
Alan
-----Original Message-----
From: argyllcms-bounce@xxxxxxxxxxxxx
[mailto:argyllcms-bounce@xxxxxxxxxxxxx] On Behalf Of Yves Gauvreau
Sent: Sunday, December 8, 2019 4:15 AM
To: argyllcms@xxxxxxxxxxxxx
Subject: [argyllcms] Something is wrong
I use a couple of programs to view the gamut of a profile and I made my first
one using Argyll tools and it showed a smooth surface, very nice.
I tried to make another one and now the profile is most likely useless, the
gamut is not smooth as most I've seen, I have remeasured the patch just in
case but same results.
I guess the problem is with the target print themselves but is there a way to
verify before wasting a few sheets?
Also I see what seems to be relatively large errors is this normal? What
should I expect?
These are the values I get from my last attempt.
"Profile check complete, peak err = 24.124852, avg err = 4.267474, RMS =
5.726972"
Thanks,
Yves
