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Digital BW, The Print

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Re: [Digital BW] UT2 inks and dots in highlights

2005-01-29 by Stephen P. Veillette

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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