QTR-Quadtone RIP

--- In QuadtoneRIP@yahoogroups.com, "benmarks2003" <benmarks2003@...>
wrote:
>I am a long time piezography user - and a new and very satisfied QTR
user both with the K6 inkset on a 1280 and the Epson inkset on a 2200
- When you say "good tonal range" do you mean as the image appears on
the screen or in the histogram?  The linearized print models and
curves for the piezography products - both current K6 and K7 and
earlier inksets/profiles are very sensitive to "choppy" histograms as
well as clogged nozzles - curves and levels need to be used very
carefully- rather than use an adjustment layer - I will often use
curves on a copy of the original image ( or one channel) - paste it
back  in as it's own layer and adjust the opacity to blend - This may
be done several times to increase tonal range while maintaining a
reasonably smooth histogram - and avoiding posterization in printing.  - 
> Hey all-I am trying to get K7 inks up and running with QTR on a Windows 
> machine. Nozzle tests show clear, test subjects are 8-bit grayscale 
> tiffs with good tonal range.  I am trying for a good proof on Epson HW 
> Matte and have so far had terrible posterization in tghe mid-tones.  
> 
> Any hints?
> 
> Also does anyone know why, when I place a 4x6 image on the bottom half 
> of a page in QTR it insists on printing upside-down on the "top" half 
> of the page?  A 4x6 image printed on the "top" half of an 8.5x11 page 
> prints correctly.
> 
> It's all a mystery.
> 
> Ben Marks
>