Digital BW, The Print

Paul,

This discussion jogs me to ask a question I've been meaning to put to 
you.  A short while back you posted some results of experiments with a 
sepia tone variation of the MIS VM inkset.  Do you think it would be 
possible on 6-color printers such as the 1280 to swap out one of the blue 
toner inks for a sepia toner ink so that the same inkset could go all the 
way from sepia to cool?  If so, what if any compromises would this likely 
require in the quality of cooler toned prints (by reducing toner inks to one)?

Chris Patti

At 10:02 AM 11/29/01 -0800, you wrote:
>Jeff,
>
>You wrote:
>
> >I have begun to experiment with the MIS VM inkset on the 1280. I have
> >also tried the VM inks on my 1160. Although the 1160 is very good, I
> >wanted to try the 1280 to see if I could get even smoother output.  So
> >far I have found that the 1280 is only a very slight improvement.. and
> >only a visible improvement on some images on close examination.
>
>I agree.  To me the 1160 is good enough.  I don't feel any need to run out
>and purchase a 1280.
>
> >When printing the MIS 6 color purge image I was surprised to see that
> >the Yellow position ink and the Photo Cyan position ink are almost
> >identical, with the Yellow position ink being ever so slightly lighter.
>
>They will look similar.  The yellow position is the lightest gray.  With my
>setup it comes in at a relative density of about 38%.  The Photo/light cyan
>is MIS quad "45" which is, using my system of measuring, in the 50+% range.
>
>The main source of differences in appearance between the 1280 and 1160 would
>come from the 1280's light toner.  In the 1160 it is the toner dots in the
>highlights that some can detect on close inspection when using the cool
>curves.  In the 1280 I doubt anyone can detect those toner dots.
>
> >... When printing with the Warm curve, are any of the
> >two blue toner inks being used at all?
> >Perhaps in the deep shadows or mixed with the black ink?
>
>Yes, that is exactly what is going on.  The toner is needed to "tell" the
>Epson driver to turn on the black ink, and that's it.  So, it is mostly
>buried by the darkness of the shadows.  If you compared the warmth of the
>MIS VM inkset with that of the standard MIS quads, you might be able to
>detect a slight difference in warmth in the shadows.
>
>Paul
><http://www.PaulRoark.com>http://www.PaulRoark.com
>
>
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