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Digital BW, The Print

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Re: [Digital BW] HP Z3100 Vivera Grey

2009-01-04 by pr_roark

Dario wrote:
>
> Interesting stuff. BTW Any more evidence of magenta stains with the
> Vivera Gray?

The bottle some HP grey was is has a magenta stain on it just like 
the blended or "shaded", neutralized carbon inks I've mixed.  So, 
that remains evidence of some type of coloring.

However, the quick and dirty fade test is too close -- too little 
change -- to draw any conclusions.  The initial movements of HP grey, 
Eboni-6 (18%), MIS LK, and MIS 3D LKN are very small.  None of the 
samples showed a Lab L change.  All arguably got slightly cooler, but 
with the MIS 3D LKn actually showing the least change.  But, I know 
it has colors in it that are not as stable as carbon and it should be 
warming.  It is, relative to the others, but for some reason the 
others -- 2 or which I've been told are "100% carbon" are actually 
getting cooler.  One possibility is that the edge effect stabilizing 
substances are warm and burning off, but on the 3D this effect is 
being offset by the colors also fading.  It's just too close to say 
what is going on in terms of fading or color shifts.

Paul
www.PaulRoark.com

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