QTR-Quadtone RIP

i didn't specifyed any black boost value.
is it supposed to be valorized ? in this case what is a good starting
point ? 




--- In QuadtoneRIP@yahoogroups.com, Howard Shaw <glassman@...> wrote:
>
> It could be caused by the black boost number being a lot higher than
the 
> black ink limit. If so, try reducing black boost.
> 
> regards
> Howard
> --
> www.howardshaw.org
> 
> paolovertullo wrote:
> > hi everybody,
> > i have a problem that i can't solve because i can't see where i do
wrong.
> > i followed the user guide prepared by Tom Moore but when i print the
> > 100stepWedge.tif file i figure out that from 99% and 100% there 
> > is an evident step. I have tryied to modify Highlight, shadow and
> > gamma parameter but without success. 
> > It's not my first time in curve creation and i'm weasting a lot of
> > paper and ink and it's frustrating.
> > can anyone help me ? i can post scanned file... evrything could be
> > helpfull.
> > 
> > thanks in advance
> > Paolo
> >
>