Digital BW, The Print

I also have seen some dots in highlights of a 1280 with UT2. Really not noticeable but for digital reluctant galleries and customers it could become an issue. I understand that Paul developed UT2 to be both very flexible and very printer friendly and to also do a decent job without curves on the Epson driver. He certainly succeeded in all respects

However, since I intend to move to QTR for a number of other reasons, I have an idea I'd like to try. What if I loaded the 1280 with Eboni black plus the (3) grays from the 1160 UltraChrome FS set (pure carbon), plus the cool toner from the 1160 UT set, plus the sepia toner from the 1280 UT2 set? The QTR profile for the 1160/FS would serve as a starting point for warm carbon prints and be modified for cool, neutral and sepia by adding the appropriate toner. 

I would assume this would provide a very smooth gray scale with the ability for cool and sepia toning. Any comment would be greatly appreciated.

Bob

  ----- Original Message ----- 
  From: Stephen P. Veillette 
  To: DigitalBlackandWhiteThePrint@yahoogroups.com 
  Sent: Saturday, January 29, 2005 12:52 AM
  Subject: Re: [Digital BW] UT2 inks and dots in highlights



  For anyone who is interested, I've posted some sample images that illustrate what I have 
  tried to describe:

  http://www.savagesteve.net/ut2

  The stepwedge images show the dot patterns the best.

  Again, I'm interested to know if this is just me (hardware problem, curve/driver problem, 
  brain matter problem) or if this is normal.

  -Steve


  --- In DigitalBlackandWhiteThePrint@yahoogroups.com, "Stephen P. Veillette" 
  <stephen@v...> wrote:
  > 
  > Paul,
  > 
  > I'm printing on EEM with the Matte Paper setting (also tried Photo
  > Paper), both 1440 and 2880 dpi, with the neutral curve.  Also, I'm
  > using the Eboni black ink-- haven't tried photo black yet.
  > 
  > I'm going to make some scans tonight and post them on the web so you
  > can see exactly what I'm talking about-- I think a picture in this
  > case will really be worth a thousand words.
  > 
  > Thank you for your offer for the test strip.  I'll send you my address.
  > 
  > -Steve
  > 
  > 
  > --- In DigitalBlackandWhiteThePrint@yahoogroups.com, "Paul Roark"
  > <paul.roark@v...> wrote:
  > > Steve,
  > > 
  > > >... 1280 printer and a set of UT2 inks.  ...
  > > 
  > > >In the prints I've made with the UT2 inks, I've noticed, under a loupe 
  > > >and with the naked eye, obvious dot patterns in the highlights, 
  > > 
  > > Under a loupe one might be able to see some dots on some papers
  > under some
  > > lighting conditions.  Looking at a test strip of PremierArt 205 under a
  > > loupe, I see the paper texture and not dots, at least in reflected,
  > overhead
  > > light that is at a fair angle.  With another magnifier and more
  > straight-on
  > > light I might be able to distinguish the dots from the paper
  > texture, but
  > > it's not clear to me.  With back lighting I see some roughness, but
  > it could
  > > be the paper and not dots.  
  > > 
  > > Other papers might show more dots.
  > > 
  > > >...it appears that UT2 does not have a light gray (toned or
  > untoned) ink 
  > > 
  > > The system uses a black ink, 2 dark gray inks (cool and warm
  > carbon), and 3
  > > lighter gray inks (cool, warm [carbon], and sepia).  Then there are 3
  > > different dot sizes for each of these due to the variable-dot
  > technology.  
  > > 
  > > The system is much like the OEM inks in the density distribution. 
  > However,
  > > the UT2 inks are very low gamut, thus giving them far less color
  > contrast
  > > than the color inks.
  > > 
  > > I'm sure you've checked the resolution and other settings.  
  > > 
  > > What paper, black ink, and media type setting are you using?
  > > 
  > > There are, of course, trade-offs between number and lightness of the
  > inks,
  > > and other factors.  The lighter inks in my previous efforts, for
  > example,
  > > tended to flood glossy papers.  The light inks often cause the worst
  > > bronzing.  BO printing with the new neutral photo black mix, for
  > example,
  > > has less objectionable bronzing than the UT2 inkset.  In the R800
  > there are
  > > no more light inks.
  > > 
  > > But, back to your issue, I can't tell what you're looking at.  Send
  > me your
  > > address off list and I'll mail one of the PA 205 UT2 Medium Warm
  > test strips
  > > I printed today.
  > > 
  > > Paul
  > > www.PaulRoark.com





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