Re: ColorSync and printing -- Panther (2 of 2)
Re: ColorSync and printing -- Panther (2 of 2)
- Subject: Re: ColorSync and printing -- Panther (2 of 2)
- From: John Fieber <email@hidden>
- Date: Fri, 19 Dec 2003 14:32:19 -0500
On Dec 19, 2003, at 11:48 AM, Rolf Gierling wrote:
John Fieber wrote:
When printing to my Canon i960 the
Summary pane of the print panel says that the BJ Color Printer Profile
2000 will be used. From the output it is clear as day that one of the
other four profiles that the driver comes with is being used, but
which
one? Only the driver knows.
John, you name the game,
we are talking about 2 different things.
That are so tightly coupled they may as well be one.
In order to tell ColorSync, _do nothing_, choose your BJ Color Printer
Profile
2000 profile.
Which still doesn't make sense. What purpose does it serve to make the
application, or worse, the user, go on a possible wild goose chase
figuring out what profile the driver might be using so that you can
MIStag your data to achieve a null-transform when all you want to do is
not have the print system do any color management?
It just makes no sense.
If I'm doing all my own color management, what profile the print system
would use if it was doing color management is completely irrelevant
information to know or find out. My suspicion is that the ColorSync
folks must have little or no contact with trained human factors folks
at Apple.
In order to tell your Canon, _do nothing_, contact and blame Canon for
not playing with open cards!
Canon, like other printer vendors, is just following Apple's example
code. Apple provides a driver framework (Tioga) that facilitates
stealth profile switches and their example driver code suggests how to
do it. I haven't used an epson in a while, but as I recall my Epson
did more or less the same thing as the Canon--register one profile but
use another.
It seems more or less like a design mistake to me, and one that has
caused a lot of problems. I haven't looked at how ColorSync works with
CUPS drivers, but I'm hoping it closes this loophole and the insanity
it causes in users.
This is exactly what I said in my message further on. The
CUPS/Gimp-Print driver
is transparent to me, and I guess that behaviour is exactly what John
Zimmerer
had in mind as he wrote his description.
I'm happy for you, but the only driver I know of for my i960 is the one
Cannon supplies. I suppose one of the Gimp-Print drivers might
work...I'll have to look into this.
If you want complete color control of your devices, pull everything
that has
to do with color matching out of the driver.
Yes, but the Tioga driver framework doesn't really seem to allow that,
which may be the root of the problem.
-john
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