QTR-Quadtone RIP

i think it's the "where's the black" link here:

http://shopping.netsuite.com/s.nl/c.362672/sc.24/category.6608/.f








--- In QuadtoneRIP@yahoogroups.com, Jakub Vosahlo <vosahloj@...> wrote:
>
> Great explanation, thank you for that. I am not aware of the  
> piezography site you are referring to, would you mind posting the  
> link, please?
> 
> Jakub Vosahlo
> 
> On 16.1.2010, at 22:01, "ccolbertbw" <ccolbert@...> wrote:
> 
> >
> >
> > One other small point that you may already be aware of: be sure that  
> > you are in fact laying down "black" values. Use the histogram tool  
> > in PS (hold down the control key while you move the slider) to see  
> > where the black pixels are. You may find that a vanishingly small  
> > number of pixels are actually near 100%.
> >
> > Somewhere on the piezography site there is a nice tutorial showing  
> > how to steepen the curve from about 90-100% to push more pixels into  
> > the deep blacks. Perceptually it can make a big difference. Good luck.
> > ccolbertbw
> >
> > --- In QuadtoneRIP@yahoogroups.com, "dawsonmpleasanton"  
> > <dawsonm@> wrote:
> > >
> > > Thank you for that information. It helps ease my mind somewhat.
> > >
> > > In fact, I am referring to "Ultra Premium Presentation Matte"  
> > paper. It looks like you are getting a Dm of 1.57 on that paper. I  
> > have H. Museum Etching as well. Haven't printed out a calibration  
> > ramp on that paper yet.
> > >
> > > I find it interesting that the Epson paper loads up so quickly. It  
> > reaches nearly 1.5 somewhere around 50% load and VERY gradually gets  
> > to Dmax. Whereas it seems clear that the other papers are increasing  
> > in density right up to 100% load. Well, maybe not that interesting.  
> > It's why we need to profile the papers, afterall. Right?
> > >
> > > After doing a few more prints since my original post I think I  
> > agree with you. The blacks aren't that bad on Epson matte. I think  
> > it was my initial impression of my first print in going from the dye/ 
> > pigment inks of my R1800 to pure pigment inks on matte.
> > >
> > > Plus the print I made was not really processed optimally and was  
> > lacking in contrast. The result was a print that seemed a little  
> > dull and life-less without any black punch. My subsequent prints  
> > have looked pretty good.
> > >
> > > Thanks again.
> > >
> > > Mike
> > >
> > > --- In QuadtoneRIP@yahoogroups.com, "ccolbertbw" <ccolbert@> wrote:
> > > >
> > > >
> >
> > 
> 
> 
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>