Digital BW, The Print

Robert,

It seemed to me that you were looking for a paper to use with the 
Ultrachrome inks because you had read that the matte black ink 
doesn't have a good Dmax with Photo Rag.  That is not true.  It 
has excellent blacks with Photo Rag, superior to the 
Gen4/PhotoRag.  I'd be happy to send you a sample.

www.michaelfaye.com 



--- In DigitalBlackandWhiteThePrint@y..., Robert Morrison 
<rmorrison@p...> wrote:
> Dmax is visual density and it is a property specifically of the 
inks laid
> down when you print 100% black (and of course the whiteness 
of the paper).
> The numbers that I mentioned were properly read using a 
densitometer which
> is the correct instrument for measuring dmax.  Most 
spectrophotometers will
> also give you visual...which is approximately dmax.
> 
> Robert
> 
> On 10/11/02 3:39 PM, "mfp90021" <mfp90021@y...> wrote:
> 
> > 
> >>> I also find the Dmax to be much better than the Gen 4 inks.
> >> 
> >> I couldn't tell from your email whether you were using
> > Photorag...as the
> >> subject line suggests, or EAM.  It is certainly not true that the
> > dmax of
> >> the Ultrachromes beats Gen4 on photorag...its not even 
close
> > from the
> >> numbers that I've seen.  The two ink sets are close on EAM,
> > however.  But
> >> the main issue is that the Ultrachrome Matte black seems 
to
> > be much more
> >> stable.
> >> 
> >> Robert
> > 
> > I'm not sure where those numbers came from.
> > 
> > You  prompted me to take some readings using a 
Spectrolino in
> > spot color mode.  Here are the RGB values (lower value = 
better
> > Dmax).  All Ultrachrome values with matte black ink.
> >                                                          R  G  B
> > Ilford RC PHOTO paper..................21 20 22
> > Ultrachrome/PhotoRag...................34 34 34
> > Piezotone/ PhotoRag.......................29 30 34
> > Sundance/Sommerset E.................45 45 44
> > Ultrachrome/EAM..............................30 31 31
> > Gen4/EAM......................................32 33 37
> > Gen4/BrightcubeSatine....................38 41 43
> > UltraChrome/BrightCubeSatine.... 35 36 37
> > 
> > I'm sorry that I don't have a value for Gen4/PR but I gave the 
1200
> > printer to my neighbor.  I'll try to get that ASAP.
> > 
> > The black of the Epson 2200, using Photo Rag and the matte
> > black ink, is very rich.
> > 
> > www.michaelfaye.com
> > 
> > 
> > 
> > 
> > 
> > 
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