Re: profiler pro spectrocam..
Re: profiler pro spectrocam..
- Subject: Re: profiler pro spectrocam..
- From: email@hidden
- Date: Tue, 22 Jan 2002 09:01:43 EST
In a message dated 1/22/02 5:42:55 AM, email@hidden writes:
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I still have a few problems unsolved with my latest updated profiler pro
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2.2
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software ( mac with spectrocam )
Doesn't sound like any of these are v2.2 specific; that is to say v2.2 didn't
brak anything that previously worked, causing your problems. In fact, thses
are not general isues with ProfilerPRO or the SpectroCam, and tend to
indicate problems in yoru process somewhere.
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I would hope somebody could help me out to resolve these problems
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1: the 100% pure blue colors have too much magenta in them after printing
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an
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image with a fresh generated profile.
There could be several causes for this, ranging from user error, to Lab blue
conversion issues, to differences in what your eye and the spectro see.
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To get the blue colors right I have to make a hue change in the target
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file.
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Only when I slide the blues 10 to 11 points to more magenta I get after
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measuring a profile which shows good pure blues.
That fix is noted in the manual for cases where people find it preferable...
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2 : The 100 % yellow color turns into a dirty greenish yellow. I have found
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no way to correct this.
Try using the saturation intent when you apply the printer profile; that
should hold the primary colors where you want them (assuming an accurate
profile to begin with). Ink yellow is often not the same as workingspace
yellow leading to the addition of darker inks to yellows.
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This is very strange, because when printing a file on a standard Epson
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driver setting I see beautifull pure 100% yellows.
Yes, Epson has linked ink yellow to printer yellow, they can do that
conveniently, snice they develop the drivers and the inks...
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3. The overall greybalance looks greenish.
That wouldn't suprise me with the 10000 and encapsulated pigment inks, as the
color balance is different under different light sources and needs to be
tuned to be acceptable, but that is not normal for Generations inks, I have
build many profiles for those inks and Epson printers with ProfilerPRO, and
the results are sufficiently neutral to print black and white images with
them.
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4. The overall colors look too saturated.
Perhaps you are printing your targets with some form of color management
applied, because it is not typical to get oversaturation in the profiles from
accurate target prints.
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I use an Epson 9000 with enh. generations 4 pigmented inks and an Epson
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10000 CF with Epson Pigmented inks.
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With both printer / inkcombinations the profiles show exactly the same
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artefacts in blue and yellow, density and greybalance
Then its not the encapsulated inks at fault, and must be a settings issue
somewhere...
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Target is printed with no colouradjustment on.
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What could I do to get better results ?
I'd need to see a full list of settings and configurations to be of any help
on the specifics. But generally speaking the target is printed with color
management in the advanced settings set to "no color management", the source
space left at AdobeRGB, and the print space set to same as source. Perhaps
you converted the target to another RGB space, instead of assigning that
space?
C. David Tobie
Design Cooperative
email@hidden