QTR-Quadtone RIP

Hallo,

i just took a measurement of  blank sheet of moab kayenta with an EyeOne 
and QuickRead and in my case it shows 0.04.

Regards

Rainer


Tom Moore wrote:

> Dmin is established by the density of paper white. Unless you have some
> white ink installed in your printer, that's as low as you can go. Of 
> course
> you could use a brighter paper.
>
> Seriously, though your dmin value does seem unusually high. Looking at the
> various curves in the distribution, most dmin values are in the range 
> .02 to
> .08. For example looking at the 4000 curve for Moab Entrada Natural the
> first linearization step (effectively the dmin or density of paper 
> white) is
> .03 and the 10% gray step, at .015, is just slightly darker than your 
> dmin.
>
> It could be that Kayenta is darker than most other papers, your density
> measurements are off, or your curve is putting ink down at 0% gray.
>
> Tom Moore
>
> > -----Original Message-----
> > From: QuadtoneRIP@yahoogroups.com 
> [mailto:QuadtoneRIP@yahoogroups.com] On
> > Behalf Of Tom Husband
> > Sent: Thursday, November 10, 2005 11:41 PM
> > To: QuadtoneRIP@yahoogroups.com
> > Subject: [QuadtoneRIP] Getting dMin down
> >
> > I'm creating some cool and warm curves for Moab Kayenta and a 2200
> > with UT7 ink.  I'm happy with the dMax of 1.600 but dMin is running
> > 0.130.  Ideally shouldn't it be 0.000?  How would I get it there?  If
> > I were to increase the value of the Gray Curve Highlight would it
> > bring the dMin down?  Right now I have the highlight at 4.
> >
> > Thanks,
> >
> > Tom
> >
> >
> >
> >
> >
> >
> >
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