>Is this going to work on an 1160?
Sorry, UT2 and the ability to print on either glossy or matte with Eboni is
limited to hextone (or better) printers.
The huge change, of course, is for 1280/1290 CIS/CFS users and large format
printers where changing black inks is so expensive.
(Changing carts is a hassle and expensive even with desktop printers.
Unless new carts are used [which wastes ink] changing seems to always
involve cleaning cycles, which not only wastes ink but also shortens the
time until printer service is required.)
I have now changed my recommendations concerning the use of CIS/CFS systems.
Due to the need to change inks, I was not in favor of these systems. Now I
highly recommend a CIS with UT2 and Eboni for 1280/1290 printers.
The 7600/9600 is suddenly back on the radar also. UT2 now has a significant
advantage over IP5 and UC systems for B&W printers.
>What happened to metamerism and mirror effect?
There is no significant metamerism with UT2 inks. That is a color inkset
problem.
The "mirror," "bronzing," and other surface artifacts are not entirely gone.
However, the "Eboni" glossy printing does eliminate the black v. gray
reflective differences -- no more overly-shiny, mirror-like blacks.
>Does the process include spraying with Premier?
To protect the print, I still think PremierArt Print Shield or Lyson Print
Guard are highly recommended. They also reduce the bronzing. They are not
necessary, however. I have been doing sepia glossy prints lately and find
the "bronzing" is irrelevant for those prints. I spray them only to protect
the image.
This morning I have found another potential difference with the "Eboni"
printing. The dmax has not decreased the way a 100% Photo K dmax does. For
example, while the dmax on Ilford Pearl with Photo K might be close to 2.4
initially, it decreases overnight, ending up closer to 2.2. The Eboni print
stayed above 2.2 on Ilford. On Epson Glossy Photo paper it actually
increased overnight, the way dmaxs do on matte papers.
Paul
www.PaulRoark.com
_____________________________
----- Original Message -----
From: Paul Roark
To: DigitalBlackandWhiteThePrint@yahoogroups.com
Sent: Monday, January 19, 2004 12:24 AM
Subject: RE: [Digital BW] Glossy printing with Eboni -- who needs a 4000?
I tried this UT2 & Eboni (or maybe no) black printing with Epson Premium
Glossy and Epson Glossy Photo Paper. The dmax is lower than with Ilford
or
Photo K, but still very good. Premium Glossy hits 2.18, and cheap Glossy
Photo paper hits 1.91.
While the Glossy Photo Paper sounds low compared to other RC dmax numbers
we've been throwing around lately, it looks absolutely black. I don't
think
anyone would see any difference between this and the best. I think part
of
it is that the black is cold. I've noticed, for example, that the
relatively cooler Eboni looks darker than the warmer Epson UC Matte black,
even though my densitometer says the Epson matte black is a bit darker.
All of the above seem to give the best dmax with the sepia toner pulled
out
completely. I'm not sure how much if any Eboni the printer is putting in
the mix. The darkness of the UT2 cold ink is probably a major part of why
this is working so well.
I must say that with UT2 and when curves are used, I think we now have a
system that will print great on matte or glossy without changing the black
ink.
Paul
www.PaulRoark.com
_______________________
From: Paul Roark [mailto:paul.roark@...]
...
More good news -- writing curves for Eboni-glossy printing was easy for
Ilford Pearl. There is a cross-over in the sepia print, but it is so far
into the black that I can't see it. Specifically, the 90% patch is 14
units
warm, the 95% is 4 units warm, and the 100% (at 2.29) is 9 units cool.
Paul
www.PaulRoark.com
_____________________________________
-----Original Message-----
From: Paul Roark [mailto:paul.roark@...]
Sent: Sunday, January 18, 2004 7:00 PM
...
OK, this is a little half-baked, but the bottom line is that I've hit a
dmax
of 2.28 on Ilford Galerie Smooth Pearl - with Eboni. There is not
significant dusting or rub-off.
The secret is that the UT2 (and perhaps UT1) inks use a base that is the
glossy binder. It's not an acrylic coating on the particle. So, I don't
let Eboni sit there by itself - or barely at all. So, to the extent there
is Eboni there, it is held by the base that carried the other inks into
that
spot. The best dmax so far is with the yellow position sepia toner pulled
out entirely at the 100% spot.
Whether I can write full curves for this is untested.
So, there is more to do here before declaring any kind of victory, but we
may not need to mess with switching blacks any more. Now that would be
nice.
Paul
www.PaulRoark.com <http://www.paulroark.com/>
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RE: [Digital BW] Glossy printing with Eboni -- who needs a 4000?
2004-01-19 by Paul Roark