Digital BW, The Print

Tyler,

Are you objecting to the statement that Piezo contains a green 
component or that it fades out? Or both? 

I am not familiar with C. D. Tobie or his tests. Can you tell us a 
bit more?

Martin

--- In DigitalBlackandWhiteThePrint@y..., "Tyler Boley" <tyler@t...> 
wrote:
> --- In DigitalBlackandWhiteThePrint@y..., "Paul Roark"
> <paul.roark@v...> wrote:
> snip...
> 
> > The Piezo results sound similar to my experiences.  The greenish
> tint is
> > obvious in the two lightest gray inks if they are printed
> separately.  When
> > exposed in my florescent light fader, they rather quickly lose the
> greenish
> > tint.  I think that is the dye component of the ink fading away.
> 
> This is being repeated so many times, despite the facts, an agenda
> becomes highly suspected. This is a reaction to paper 
> coating.
> Period.
> This has been acknowledged by the ink manufacturers themselves, 
other
> experts like C. D. Tobie, and many users 
> conducting tests on a wide variety of coated and uncoated papers.
> Whatever alleged green component may exist is not fading away. All
> carbon pigment mono inksets in common use react to 
> the popular coatings in this way (including EAM, the main paper
> apparently used in these tests), they become redder, some 
> faster than others, particularly in the lighter inks.
> Sorry for the tone, I'm not feeling particularly patient these days.
> Tyler