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The Ultrachrome started off their development life as Durabrite inks. The
Durabrite black ink was specially encapulated so the blacks would print on plain
paper and still get a slight gloss like finish. Epson aimed the Durabrite inks
at the office environment. The Ultrachromes to satisfy advanced photo demands
had to have light magenta and light cyan added to the printers and a different
black but never produced as high a quality as the glossy effect of dyes on
premium type gloss paper and had problems with tint changes when
viewed under various light sources. Thus the advent of matte black and
light black to the Ultrachrome ink lines and now the advent of light, light
black to satisfy the demands of B&W photographers. The R-1800 does away with
the need for light cyan and magenta due its small nozzle size 1.5 picoliters. So
Epson added Red and Blue pigment to extend the color gamut of the pigs. Then to
over come the problem with the gloss surface print papers they added a gloss
optimizer that fills in the little holes of non gloss areas. (Contrary to
popular belief gloss optimizer does not cover the whole surface of the
print or one would need a cart the size of a gallon jug). The Epson pigments are
all related but just tweaked in different ways for different applications and
different color gamuts.
In a message dated 6/3/2006 11:28:17 P.M. Eastern Standard Time,
rebphoto@xxxxxxxxxxx writes:
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