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Digital BW, The Print

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Re: [Digital BW] PKN and color printing

2005-03-04 by ccolbertbw

Point taken. if so, then more neutral K inks might actually help by
limiting C or M that is there to neutralize the warm Ks.

--- In DigitalBlackandWhiteThePrint@yahoogroups.com, Daniel Staver <daniel@p...> 
wrote:
> Like I've mentioned before I believe it's a myth that yellow causes 
> metamerism. There has never been any proof that this is actually the 
> case. People just assume that since QTR and Imageprint profiles don't 
> use yellow and don't have metamerism, the yellow must be the cause of 
> metamerism.
> 
> The culprit actually seems to be either the cyan or magenta inks, it's 
> just that QTR and Imageprint profiles uses so little of those inks that 
> it's no longer noticable. In comparison the Epson driver uses liberal 
> amounts of all the color inks when printing BW.
> 
> --
> Daniel Staver
> http://daniel.staver.no
> 
> 
> ccolbertbw wrote:
> > 
> > I am getting a very strong itch to switch to PKN and LKN, for
> > neutraility, for dmax, and for  the price. However, I do
> >  need to maintain the ability to print in color.
> > 
> > I am generally happy with the Atkinson profiles. Obviously, I won't
> > be using those, but will   make profiles with an eye-one.
> > 
> > Has anyone tried this already?  I would guess that the more neutral
> > black inks will mean  that the overall shift in ink will be towards 
> > yellow. In other words, there may be more  yellow ink laydown to 
> > warm the cooler blacks. Perhaps there won't be much 
> > additional yellow needed, but the idea of using a lot more yellow
> > seems like it could add  to metamerism, if yellow is truly the 
> > culprit there. Thus, the concern and the question.
> > 
> > On the other hand, maybe the more neutral Ks will make the
> > linearization easier.

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