QTR-Quadtone RIP

Yes I did remove the 51 and replaced them with the 21. When I printed out the step wedge with the new linearizion numbers, the wedge, instead of a nice gradation, was now mostly black from about 100% to
70%, then the gradation was slight for the remainder. At that point I thought I had done something wrong and replaced the 21 with the original 51.
To surmise: I have printed out a step wedge with a nice gradation, took measurements(Spyder3Print), placed the numbers in the linearizion box(replacing 51 with 21) and printed out a wedge with a mostly dark gradations. What did I do wrong? What do I do next? 

--- In QuadtoneRIP@yahoogroups.com, Howard Shaw <glassman@...> wrote:
>
>   You haven't mentioned linearisation - did you remove the linearisation 
> figures from the existing curve and replace them with your own?
> 
> regards
> Howard
> 
> On 14/09/2010 04:52, Keith wrote:
> > Backgound:Windows Vista, calibrated monitor, Epson 4800, modified ConeColor inkset(LK and LLK are Cone Selenium shades 4&  5). I printed out the calibration page. Determined ink limit,etc. Selected an exisiting curve to modify to determine tone,etc. In curve creation, I modified density and limits and printed out 21 step wedge after step wedge to get a nice, evenly graduated step wedge. After many iterations,I thought I had made a good neutral curve. I pulled up an image in PS and made sure it was a greyscale tiff, gamma 2.2 image. I then opened it in QTR, selected my curve and hit print. The tone was neutral but the print was light. What did I do wrong?     http://docs.yahoo.com/info/terms/
> >
> >
> -- 
> 
> Howard Shaw
> glassman@...
> www.howardshaw.org
>