Digital BW, The Print

I know that there is a lot "concern" out there re the use of yellow ink by
the Epson Adv B&W driver.  If the yellow ink were a real issue, I would have
expected a greater difference in hue shift between the K3 results and the
UT7 results, particularly in the b axis.  Thoughts?


> From: Steve Kale <stevekale@...>

> 
> Interesting that the colour shift is extremely close - really only the
> luminance figures have anything close to a meaningful difference.  Am I
> reading your numbers correctly?  Where you have a positive change in L* is
> that a fall in L* or increase?  I would also suggest that the differences in
> L* are trivial.  For example, a change of 0.67 of a base of around 53.55 is
> a mere 0.012 in density.  It is, however, very comforting to know that the
> UT7 and Epson K3 inks are in the same league.  This should give UT7
> purchases a lot of assurance with respect to the relative endurance of their
> ink.
>