Paul, before you go off and take the time to build out UT14 QTR
profiles let me ask on this list for people to share what they have.
Again, Thanks so much for answering all my questions.
--- In QuadtoneRIP@yahoogroups.com, "Paul Roark" <paul.roark@...> wrote:
>
>
> >I went ahead and purchased carts with the ut14 inks for my R1400. ...
>
> > Anyway, I downloaded the ICC profiles & Curves from Paul's site.
> > I was wondering a few things.
>
> > 1) I see curves for warm and neutral, but none for cool.
> > How would I change them for making cool tone prints?
>
> The "neutral" curves have a straight line response between the paper
white
> and black. See the graph at page 8 of
> http://www.paulroark.com/BW-Info/UT14.pdf
>
> I think you'll find that one a cool, brightened paper, that straight
line
> will look cool without being blue. However, if you want cooler, you can
> open one of the neutral curves and add more cyan (red curve) and
take out an
> equal amount of magenta (green curve).
>
> I didn't make QTR curves, but using a simple cross-over (an LK-PK
one might
> work well) for LM-M and LC-C, then using the sliders to determine
how much
> or each you want for the various parts of the image should work well.
>
> >2) The names are a little confusing to me.
> > Can you please explain to me what all the letters mean?
>
> Maybe :) W = warm. N = neutral. Sometimes a paper is referenced, but
> often the same curves work well for whole groups of papers,
particularly if
> re-linearized.
>
> >... IlfordGold-N-1-nca-rgb.icc,
>
> The paper is Ilford Gold; the tone is Neutral (first one); "NCA"
means to
> set the driver to "No Color Adjustment;" "rgb" is inserted by QTR
where the
> ICC includes a curve (the output to the printer is in rgb).
>
> > IlfordGold-LW-Warm-rgb,
>
> This somewhat replicates the Lens Work warm split tone.
>
>
> >IlfordGold-warm-1-nca-rgb.
>
> This is the warm curve (the first one), and the driver should be on
No Color
> Adjustment.
>
> > ... cc22
>
> Set the driver to Color Controls, with gamma 2.2.
>
> > 3) How do I print these in QTR without any quad files?
> > Can the curves or ICC's be converted to work in QTR
>
> These are all for Epson driver printing. While the people on this
forum are
> obviously proficient in and probably prefer the QTR rip, in general the
> market for a color-managed, Epson driver workflow appears to be larger.
> Roy's Create ICC (& -RGB) are great tools that can serve this
market. For
> many users, how to get the monitor to match the print is a total mystery
> that the ICC ("color managed" at least with respect to relative density)
> really helps.
>
> If it looks like QTR profiles are needed, I can re-load UT14 and
make a few
> of the basic ones. In general, I've assumed most on this forum make
their
> own, but let me know if I'm wrong here.
>
> Keep in mind that I'm not MIS and do this mostly to help ensure that
we have
> a nice competitive B&W market of suppliers. I have not, however, made a
> large number of profiles for this setup. I encourage people who
don't have
> QTR to buy it and re-linearize curves for their favorite papers.
The same
> curves generally work OK for many papers of the same type. (I might
add here
> that my interest in making sure MIS survives has been increased by their
> manager of the last few years being let go. Bob Zeiss is back in the
> saddle, and the company is showing much more interest in being
responsive to
> the needs of their B&W customers.)
>
> >4) On glossy paper, I am guessing even it I set the paper
> >type to Matte, if I pick a glossy ICC profile it will direct
> > the printer to use the Yellow Ink channel which is Gloss...correct?
>
>
> Be sure to read http://www.paulroark.com/BW-Info/UT14.pdf Let me
know if
> there are sections of that paper that are unclear. These ICCs are
inserted
> in the Photoshop Print Preview.
>
> The current, default setup of UT14 is to have glop in the yellow
position.
> The blue curve controls this. For Photoshop curves (now supported by
> Elements apparently) you have to think it complementary colors: red
curve
> controls cyan channel, blue-yellow, green-magenta.
>
> >I much rather use QTR, ...
>
> I'd guess many if not most on this forum feel that way. On the
other hand,
> you might be surprised at how good the Epson driver can be. Again,
recall
> that the average MIS customer will probably buy the inkset, plug it
in, and
> print without even knowing what Epson driver settings to use. So
"plug and
> play" and then small steps away from this are how most of MIS's new B&W
> customers slowly learn how to do all this. The C8X "EZ" inksets
were a huge
> product for them. Hitting a newbie who doesn't even know what a RIP
is with
> QTR would take a lot more customer service than would be consistent with
> MIS's low price business model.
>
> Back to QTR, there is a way to import Photoshop curves into QTR. In the
> Curve Creator, for each color you can use "Load curve" to pull in an
*.acv
> curve. It's been awhile since I did this. I assume you'd have to make
> one-curve, grayscale versions of each color and load them
separately. It's
> probably easier to just use an existing QTR curve set or the Gray curve
> generator to make curve for the channel and mix them.
>
> You'll need to deal with glop independently. That curve is easy to copy
> from the blue curve in one of my *.acv curves for glossy papers.
It's easy
> to just eye-ball the results on a 21-step curve to see where more is
needed
> and what ink load works best. I'd use the least glop needed for a good
> image. This avoids overloading the paper. Super-light inks can
easily lead
> to this on glossy papers. (That was a big reason for my dropping the
> original UT1 approach -- blotchy glossy printing.) Tiny dots and denser
> inks help glossy printing. Note the 1800 -- no light inks, dual Ks,
plusShow quoted textHide quoted text
> glop. This is clearly a machine that was made for glossy printing.
>
>
> Paul
> www.PaulRoark.com
>