QTR-Quadtone RIP

The first thing that I notice is that the black curve doesn't go to 100%. Neither does the gray curve. The black stops at about 98%, and the grey goes a bit further. This would be consistent with the prints that you display. Have a look at the dark ends of the grey ramp. First the black stops and the grey continues a bit more but neither reach 100%. Check the curve setup and see what is happening there. I would guess that the black curve is not specified as 100% density.

Cheers
Greg Nixon

--- In QuadtoneRIP@yahoogroups.com, "drewt8t" <drewt8@...> wrote:
>
> Hi,
> 
> I have an Epson R230/R220 printer, MIS eboni ink and QTR. I am using http://www.cjcom.net/articles/digiprn3c.htm from CJ to try to print set up the printer using Clayton's 2KBO technique. 
> 
> I set up a curve as described in the article using the black and cyan ink positions and I have downloaded and configured CJ-2KBO-R200-Ordered.acv file. However, when I print an image where any areas are absolute black there is no ink coverage -- I just see white paper. When showing the curve I created the RH end of the curve has dropped to zero which is unlike CJ's example in the article.
> 
> (See https://picasaweb.google.com/drewt8/QTRTest for image of curve and my input/output images. but when I show the curve it looks different to the one in the article in that it (the curve) drops to zero at the right hand end. 
> 
> I have played with various parameters in the curve settings, I have printed the calibration chart without a problem which means that there is nothing wrong with a clogged head.
> 
> I am stumped... or am I stupid? Have I missed something obvious?
> 
> Thanks, 
> Drew
>