QTR-Quadtone RIP

I've discovered a full set of MIS FSN (NOT ut2-fsn) inks and have 
created a paper curve (neutra) for EEM paper. There was a question I 
need an answer to about the curve creation. I designate all the inks as 
gray inks (none as toner)and print the calibration steps--read with my 
densitometer and calculate the percentages of ink laydown for each 
one.Then I linearize the readings. There still seems to be something 
wrong in that the high values (Zones VI-VIII) are still too dark on the 
print. Any suggestions?

Your friend in Photography,

Johnny

> From: Johnny Eades
>
> I've discovered a full set of MIS FSN (NOT ut2-fsn) inks and have
> created a paper curve (neutra) for EEM paper. There was a question I
> need an answer to about the curve creation. I designate all the inks as
> gray inks (none as toner)and print the calibration steps--read with my
> densitometer and calculate the percentages of ink laydown for each
> one.Then I linearize the readings. There still seems to be something
> wrong in that the high values (Zones VI-VIII) are still too dark on the
> print. Any suggestions?

When I made a curve for the UT-FSN inks, I had a similar problem. I suspect
that the cause is taking an insufficient number of readings at the black end
of the scale to accurately find the point where the max density is reached.
I just manually tweaked the 90% and 95% measurements in the linearization
step, arbitrarily boosting them so that they were closer to the 100%
measurement, fooling the software into lightening them a bit. Fortunately,
you can get away with stuff like that in B&W that you could never do in
color.

--

Ciao,               Paul D. DeRocco
Paul                mailto:pderocco@...