Digital BW, The Print

Carl,

I don't have a "for sure" answer on this, but I think it's in all of the UT
inks except to the extent that MIS has inventory.  In short, the old base is
totally history, but I suspect MIS is not eager to have people hold off
buying because they don't want the old base.  On the flip side, I have not
checked the UT inks for changes, but a few samples indicate that the new
base may slightly affect ink density and tone.  (I suspect, that is what the
new Pro Archival inkset is all about.)  I'm waiting for a full set of inks
so that I can check the UT mixing formulas.  As of now, MIS is just using
the existing formulas to mix the inks where they need to.

Paul
www.PaulRoark.com 


> -----Original Message-----
> From: DigitalBlackandWhiteThePrint@yahoogroups.com
> [mailto:DigitalBlackandWhiteThePrint@yahoogroups.com] On Behalf Of Carl
> Schofield
> Sent: Tuesday, August 16, 2005 3:27 PM
> To: DigitalBlackandWhiteThePrint@yahoogroups.com
> Subject: Re: [Digital BW] Fade test -- 4800 v. UT7, MIS old v. new, &
> Kirkland
> 
> Is the "new base" in any of the inksets that MIS is currently selling?
> 
> On Aug 16, 2005, at 7:05 PM, Paul Roark wrote:
> 
> > My latest fade test (compact fluorescent light) reached 600 hours.
> > So, I
> > have some initial fade results.
> >
> > The short version:  UT7 showed less fading than the 4800 "Advanced
> > B&W" mode
> > prints both in the highlights and at 50%; the MIS new base does not
> > appear
> > to negatively affect UT performance; and inks on Kirkland paper are
> > very
> > stable.
> >
> >
> > Notes: The results are expressed in Lab and were read with the X-
> > Rite DTP 22
> > spectrophotometer.  The same paper batches were used for all
> > comparisons.
> > The results shown are the average of 3 readings.  The affects of the
> > variability of the spectrophotometer were minimized by reading
> > comparison
> > test strips at the same time.  The actual starting, pre-fade
> > densities may
> > vary from the control test strips, but comparisons based on the pre-
> > fade
> > measurements resulted in similar comparisons.  The UT7 comparison test
> > strips were printed with "neutral" curves that were modified to
> > match the
> > density and tone of the 4800 test strips as closely as reasonably
> > possible.
> >
> >
> > Spectrophotometer readings:
> >
> > EEM 0% (paper white) Control: (96.83, 1.03, -3.49)
> >
> >                      Change: (-0.04, -1.4, 4.48)
> >
> >       Comment: As we know, the paper yellows.
> >                This will affect mostly the highlight results.
> >
> > 4800 EEM AB&W Neutral 5% Control: (92.76, 1.20, -3.79)
> >
> >                          Change: (0.16, -1.49, 4.92)
> >
> > 7600 UT7 Neutral 5% Control: (92.79, 0.83, -3.98)
> >
> >                     Change: (-0.02, -1.59, 4.94)
> >
> >
> >
> > 4800 EEM AB&W Neutral 10% Control: (88.35, 1.07, -3.11)
> >
> >                           Change: (0.52, -1.39, 4.73)
> >
> > 7600 UT7 Neutral 10% Control: (89.18, 0.34, -3.34)
> >
> >                      Change: (-0.04, -1.41, 4.53)
> >
> >
> > 4800 EEM AB&W Neutral 50% Control: (53.55, 0.72, 0.38)
> >
> >                           Change: (0.67, -0.55, 2.04)
> >
> > 7600 UT7 Neutral 50% Control: (54.04, 1.96, -0.27)
> >
> >                      Change: (0.08, -0.68, 1.93)
> >
> > 2200 UT7 New Base 50% Control: (53.53, 1.17, 0.14)
> >
> >                       Change: (-0.14, -0.68, 2.04)
> >
> > Kirkland UT7 50% Control: (56.54, -0.52, -4.17)
> >
> >                  Change: (-0.33, -0.56, 1.24)
> >
> >
> >
> > Paul
> > www.PaulRoark.com
> 
> 
> 
> [Non-text portions of this message have been removed]
> 
> 
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