Datacolor User to User Support Group.

You confirm what I was about to conclude, unfortunately. I'm going to
finish these profiles so I can use the IG papers I already have. Time
to check out some other options. Red River looks interesting, but they
don't have a swellable polymer paper. 

How large are the spectro's measurement spots? I'm wondering how much
the mottling will affect the calibrations. I will check by making
multiple measurements of some of the worst patches to see how much
they vary with position. 

Looking through the printing forum in DPReview, it seems that many
people are using the IG Classic papers with Canon S and i-series
printers (BCI-6 dye inks). I wonder if they just have not looked
closely enough to see the mottling problems? It is not highly visible
in actual prints, but now that I know what to look for, I can't stop
seeing it. In truth, its only obvious with my nose to the print. From
12 inches away, its invisible anywhere but a flat, uniform patch of
the right color. It also improves considerably when the paper is
completely dry (not surprising for swellable polymer coating).

One of the things I appreciate most about PFP is the ability to do
these kinds of detailed checks and begin to get some real insight into
how well the print process is working. Not that one can't do this
anyway, but between the media check facility and the help files, this
is a very effective educational tool. I am beginning to see subtleties
in color, tonality and fine detail that I had never noticed before. I
have become my own worst critic. Both a blessing and a curse!

Thanks for you help, David, I've learned a lot by reading through all
the other posts and your responses to them. It has prevented me from
making some of the same mistakes.

-- Dan Finnerty

--- In colorvision_group@yahoogroups.com, CDTobie@... wrote:
>
> If all media settings mottle, then (according to the help in
PrintFIX PRO) 
> you have an incompatible combination. It may not be hugely
incompatable, but 
> when you add the high amounts of Cyan, Magenta, and Black needed to
create dark 
> blue, you are exceeding the paper's ink limit. If it seldom occurs
in your 
> prints, then perhaps its not an issue for you. But I'd suggest
looking at other 
> media, as they don't all have this issue.
> 
> C. David Tobie
> Product Technology Manager
> ColorVision Business Unit
> Datacolor Inc.
> CDTobie@...
> www.colorvision.com
>