Digital BW, The Print

The HP I'm using is the 7660.

I install ONLY the #59 cartridge (3 grey inks). The other "chamber" 
is only. 

In the HP drive, under color, I activte "Print in Greyscale".

The prints look really nice.




--- In DigitalBlackandWhiteThePrint@yahoogroups.com, The Wogster 
<wogsterca@y...> wrote:
> Paul Roark wrote:
> >>HP Premium Plus Photo Glossy, Satin (formerly Matte) and High 
Gloss.
> >>
> >>Those will give the longevity that we all desire, especially when 
> >>nput behind glass.
> >>
> > 
> > 
> > This caught my eye, and I couldn't resist re-posting part of the 
fade test I
> > did in March.
> > 
> > After 600 hours in my tester, the 50% patch of the Epson Premium 
Semigloss
> > printed with neutral MIS UT inks then sprayed with PremierArt 
Print Shield
> > and HP paper printed with their B&W inkset had the following 
starting and
> > ending spectrophotometer readings:
> > 
> > Prem. SG start: C = .58, M = .57, Y = .58, Visual Density = .58
> > 
> > After 600 Hr:   C = .58, M = .57, Y = .58, Visual Density = .58
> > 
> > 
> > HP start:     C = .80, M = .79, Y = .76, Visual Density = .79
> > 
> > After 600 Hr: C = .78, M = .76, Y = .72, Visual Density = .77
> > 
> > So, while the HP B&W dyes may be very good for dyes, and maybe 
good enough
> > for most uses, I don't think they are equal to the good B&W 
pigments.  How
> > all this translates into actual fading in display I don't know.  
However, if
> > one wants the best B&W digital print resistance to fading, I 
think the
> > predominantly carbon pigment systems are still the way to go.
> > 
> 
> Dumb question, How does 600 hours in the tester compare to time on 
the 
> wall?  Prints I am planning, are destined for the wall in the home 
> office, this room is at roughly 43° North, and has a north facing 
> basement window, so no strong sunlight will hit this wall.  As for 
HP 
> some of the black inks are partly or mostly pigment based, so a BO 
print 
> would be more fast then a colour print.
> 
> W