Re: 1160. Can it produce a realistic photo?

[Michael Greer <mgreer942@yahoo.com>]

--- rafeb <rafeb@channel1.com> wrote:
> 
> It's possible, of course, that in the near
> future, someone will develop a truly 
> archival 6-color inkset.  But that new
> Wilhelm report sure has a lot of folks
> rethinking the 6-color vs. 4-color thing.

Point of clarification for the newly initiated. When peope hear "photo inks",
they think there is some special formulation that makes "photo inks" more
photographic than "regular" inks. This is not true. Epson's "photo" series or 6
ink printers use the exact same base inks (CYMK or cyan, yellow, magenta, and
black) as their 4 ink brotheren. The only difference is the addition of the low
dye load cyan and magenta inks. That is, the cyan and magenta inks don't have
as much cyan and magenta dye in them as the full dye load inks (another note,
HP printers use heavier dye loads than Epson printers. That's why Epson
printers saturate the page with more ink than their HP counterparts. That's why
if used with the wrong paper, Epson printers tend to produce prints that are
not flat, but wavy. That's also why HP printers tend to produce more pages per
volume of ink than Epson printers). Apparently, this lower dye load is much
more susceptable is color shifting/fading than the full dye load inks. Thus,
since the 4 ink printers don't have any light dye load inks, they aren't as
susceptable to the color shifting/fading as the 6 ink printers. The very
hightlights and light shaded areas that the 2 additional inks help reproduce so
faithfully, are the exact areas that are first subject to the shifting/fading. 



=====
Visit my digital photography web site along with a lot of other interesting stuff at http://greer.simplenet.com. Also, Greer and Associates (http://www.greeraa.com) offers studio photography, digital imaging services, web site design/construction, and training. 

Mike Greer
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