QTR-Quadtone RIP

Hi Tom

I am using the sepia toned NK7 inkset--my curves are linearized using  
printfix pro

thanks
ron

On Dec 2, 2006, at 4:10 PM, Tom Moore wrote:

> Ron
>
> You don't say which inkset you are using. I have done a partial  
> (warm/cool)
> set of curves for Epson UC ink with VFA. This paper can definitely  
> take a
> lot more than 65% K ink for the UC matte. My curves have a default  
> limit of
> 75% and a black boost of 95% and have good shadow separation. The  
> issue I
> never resolved was spattering of the black ink in the deep shadows.
> Resolving it mean reducing the total K output and probably losing  
> some dmax.
> I lost interest when I started using UT7.
>
> I can send you the curves and a curve evaluation spreadsheet if you  
> are
> interested. There's also a set of UCmk Velvet Fine Art curves in  
> the files
> section of the Yahoo QuadtoneRIP web site.
>
> In addition to the K limit and Black Boost parameters, I have found  
> the
> Shadow and Gamma parameters on the Gray Curve panel can affect how  
> your
> curve behaves. Another thing you don't mention how you are  
> linearizing the
> curve (or even that you are). I assume you are, but the accuracy of  
> your
> density measurement device could also be a factor.
>
> Hope this is useful
>
> Tom Moore
>
> > -----Original Message-----
> > From: QuadtoneRIP@yahoogroups.com  
> [mailto:QuadtoneRIP@yahoogroups.com] On
> > Behalf Of Ron Faris
> > Sent: Saturday, December 02, 2006 7:42 AM
> > To: QuadtoneRIP@yahoogroups.com
> > Subject: [QuadtoneRIP] blocked blacks
> >
> > Hi group:
> >
> > I am developing my own curves and ICC profiles for QTR and Epson  
> Velvet
> > Fine Art for a
> > Epson 2200 printer. Everything looks great except my 95 and 100  
> wedges
> > are identical. Can
> > anyone please tell me what is the best way to correct this  
> problem. When
> > I printed the
> > calibration page, I chose an ink limit of 65% black ...should  
> this be
> > lower. I tried boosting the
> > black and altering the shadow value neither of which made much  
> difference.
> >
> > thanks
> >
> > ron
> >
>
>
> 



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