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Digital BW, The Print

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Re: Glossy printing with Eboni -- who needs a 4000?

2004-01-20 by scrber

Any chance of someone posting these particular Eboni curves?
I am unfortunately lost as to what is going on.  Love my UT2 but am 
dying to try my RC papers - obviously the standard curves assume PK 
and give the usual rub off and bronzing with PE.

Can anyone share these newer curves?

Thanks!
Steve


--- In DigitalBlackandWhiteThePrint@yahoogroups.com, "Ernst Dinkla" 
<E.Dinkla@c...> wrote:
> 
> ----- Original Message ----- 
> From: "Paul Roark" <paul.roark@v...>
> To: <DigitalBlackandWhiteThePrint@yahoogroups.com>
> Sent: Tuesday, January 20, 2004 8:16 AM
> Subject: RE: [Digital BW] Re: Glossy printing with Eboni -- who
> needs a 4000?
> 
> 
> Roy & Carl,
> 
> Can you tell whether adding any Eboni to the dark grey increases
> or
> decreases the density?
> 
> I get a denser 100% with both of the UT2 dark grays than either
> one on full.
> Since the Epson driver doesn't tell me what it's doing, I'm not
> sure if the
> total ink limit is increased, some Eboni is being added, or some
> characteristic of having the 2 inks is better than one.
> 
> Paul
> www.PaulRoark.com
> 
> Paul,
> 
> Could be the result of more bleeding and/or a better use of the
> total of nozzles (more spots are covered by smaller droplets with
> both inks at 50%). The last is better if it isn't also resulting
> in more bleed = shadow detail loss.
> 
> The total ink limit in itself isn't the only factor, smaller
> droplets that deliver the same quantity of ink as the total of
> bigger droplets have more ink/paper boundary length and that will
> usually increase bleeding/dotgain. The same happens with finer
> screens in offset.
> 
> Ernst

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