Digital BW, The Print

Thank  you, Roy.  BTW, the linearization feature works great. I 
measured the step wedge with the Eye One, and everything was done in 
a few minutes.

Peter

--- In DigitalBlackandWhiteThePrint@yahoogroups.com, "Roy Harrington" 
<roy@h...> wrote:
> 
> Hi Peter,
> 
> Gimp-print for the 7600/9600 hasn't been tuned for these printers 
yet.
> There are too many 2880dpi options and they are not working 
correctly.
> However with matte paper and matte ink, I don't think the 2880 res 
should
> be used.
> 
> I believe that 1440x720 should be the optimal resolution.  Although 
it
> works, you are right that the dots are too big.  I've been working 
on that
> issue and I think I've found the problem.  Once I'm sure all the 
dots sizes
> are being used I can tune the relative sizes.  I don't think this 
should be
> very far away.
> 
> I'm not sure what dithering issues you are seeing but it may be 
because of
> the large dots.  Also I've found I like the "ordered" dithering a 
little better.
> 
> Roy
> 
> --- In DigitalBlackandWhiteThePrint@yahoogroups.com, "Peter 
Baumbach" 
> <info@p...> wrote:
> > I am using an Imac G3 and an Epson 7600 with UC Matte black inks 
on 
> > Epson Enhanced Matte paper. I have a few questions regarding the 
> > QuadToneRIP 2.0 beta 8. 
> > 
> > - When I try to print the ink pattern page in calibration mode 
with a 
> > resolution of 2880 x 1440 dpi the second half of the page seems 
to be 
> > printed over the first half. Is this resolution not supported 
> > although it appears in the list?
> > 
> > - With a resolution of 1440 x 720 dpi I am able to do all the ink 
> > limitation and partitioning and the "linearization". But those 
> > patches of the step wedge where the light black and the black ink 
> > both contribute to the density have a strange looking dither 
pattern. 
> > What is the reason for this ?
> > 
> > - The highlights are very coarse, even when viewed with the naked 
> > eye. The "dots" are much coarser compared to the output with my 
> > StudioPrint demo version using the same inks. What could be 
wrong ?
> > 
> > Many thanks in advance,
> > Peter
> > 
> > peter baumbach - fine art photography
> > http://www.pb-photo.com