Digital BW, The Print

--- In DigitalBlackandWhiteThePrint@yahoogroups.com, "Mark" <mark@...> wrote:
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I submitted  gray and black only Hp Z3100 Vivera samples on Photorag 308 and Photorag Baryta awhile back so they should show up soon.

john




> --- In DigitalBlackandWhiteThePrint@yahoogroups.com, Ernst Dinkla <edinkla@> wrote:
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> > Like Mark already mentioned:
> > Be aware that the HP Vivera numbers are taken from a color test target
> > printed in color mode and the patch measured may have a different value
> > in density-tone than the Midtone L*=50. It is also done on the HP Smooth
> > Fine Art which in the rolls I got was slightly warmer than Photorag. All
> > the other printer-inks use a B&W mode for printing on Photorag and
> > measure the same patch. Nevertheless it is good that Paul included it
> > in this list. In the Z3100 neutral grey inks are replacing any hue mix
> > when neutral patches are printed, from 0-100%, even in color mode Color
> > profiling in color mode could however mix in a hue ink. I don't think
> > that a B&W workflow would change the test numbers but it could....
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> Yes, and perhaps I should stress this again as well.  It is highly likely that a monochrome test of the Hp inkset will improve the summary stats significantly for the better which is why I took the time to point out that the Hp sample data is excerpted from an AaI&A color target test sample whereas the other data sets are derived from AaI&A monochrome targets.