QTR-Quadtone RIP

> > Considering that photographic papers are orthochromatic, it makes
> little sense to create a digital negative with a matrix of colored
> dots. This seems to be something not typically addressed.
> 
> That's an understatement. 
> 
> Multigrade papers have one sensiometric curve for green exposure,
> another for blue. Neutral B&W inks are the only way to tame that mess.
> 
> And when you throw UV processes like platinum into the mix, things get
> even worse for colored inks. Although it is possible to run a QTR cal
> on a UV densitometer and build curves that use all the colors in their
> "effective" UV densities. B&W inks make life a lot easier.

You guys are totally way off base with these comments! Colorized 
negative produce optimum results. That's been demonstrated both by Mark 
Nelson and Dan Burkholder.

My negatives for printing AZO are turquoise<sp?> green (made on an 
Epson 2200) and work great. Negatives made on a 1280 are Red colored.
Using colorized negatives for alt. processes is the cats meow.

For an example check this link out.

 http://www.zianet.com/jkschreiber/articles/1280PyroDigiNegs.html

Keith Schreiber uses a modified method as developed by Dan Burkholder.

Don Bryant