Re: Color Calibration Adjustments
Re: Color Calibration Adjustments
- Subject: Re: Color Calibration Adjustments
- From: William Carr <email@hidden>
- Date: Fri, 20 Feb 2009 16:32:35 -0500
Thanks for the reply.
I realize I should have included some background information.
This is a thermal Dye sublimation process. The toner is specially
made to sublimate at 400 degrees fahrenheit and therefore transfer to
anything containing polyester type molecules.
The downside is that it's not natural color. Print Red, Green And
Blue, and even if it looks like the screen colors, once you press it
you won't get quite what you wanted.
So that's what the .cmm profile is for. It adjusts the color
profile either in your software or in your operating system so as to
compensate for that effect. Thus the printed colors will look wrong,
but be correct once pressed.
When used with a Mac, the supplied color profile is not quite right,
as I mentioned. I did track down the original creator of the
profile. He said he didn't have a Mac to try to refine the profile
with. He agreed to call on a friend who uses Macs and look into
it, but no response, and that was last Fall.
I obviously don't speak .cmm, but I was hoping that someone with a
color meter could check the printouts and tell me how much to tweak
the Adobe Photoshop settings to approximate the correction.
William Carr
William,
We have an OKI C5200ne LED printer.
OK. Nothing fancy, a plain office printer.
I learned that it's not quite straightforward to print from Windows
XP: but the instructions said you could print directly to a specific
printer by loading the drivers in both OS's.
The User Guide states, on page 119, that the XP printer driver and
Color
Swatch Utility only support RGB. So don't bother sending CMYK
documents
directly to this device. That's just asking for trouble. According
to page
120, you can print using the ICC profiles supplied by Oki or use Oki
Color
Matching. But you're basically out of luck because there is no way to
disable color management in this printer at all. So that you could
hope for
is the supplied ICC profile and the Manual Color method.
If I were you, I'd stick to sending sRGB documents only.
Under the Color tab of the print settings, select Manual Color, then
Natural, under Color Setting. Then, in the "monitor" drop-down menu,
select
sRGB, which, if we are to believe the documentation at the bottom of
page
122, would result in relative colorimetric rendering print. Pretty
much what
you'd hope for.
I would be happy to meet with a color consultant, but I don't know of
any in my area.
I was kind of hoping I could print off identical reference charts in
OS X and XP and mail them to a consultant who could run a color scan
on them.
The User Guide did not mention how to print from the Mac so I could
not
comment on the Mac side of printing to the 5200.
My suggestion, William, is to not hire a consultant. With this kind of
printer, either from OSX or XP, there isn't much anyone is going to
be able
do over and beyond the limited color processing capabilities of the
driver.
I'd suggest you'd stick to sRGB and experiment with various
substrates until
you find something you like.
Best / Roger Breton
William Carr
SW Michigan
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