Digital BW, The Print

Steve,

>... R=G=B= a shade of grey.

>But what I just found interesting was to look at the 21 step wedge file in
>PS with mode set to RGB (Adobe RGB 1998) and observing in the Info Palette
>the relative RGB values and CMYK values.  For each step, R=G=B but in each
>case C>Y (and M=Y or only 1% more).....at the 100% patch C=75, M=68, Y=67,
>K=90.

I am not a color expert.  But, as I understand the Epson driver, it runs
straight from the RGB Photoshop information.  We would love to be able to
use CMYK curves, for example, but Epson converts that to RGB before sending
it to the printer.  Each printer model & driver have their own algorithms to
convert the RGB information to CMYK -- and LC, LM, LK and with the R800
other colors.  So, I think the Photoshop CMYK numbers that are shown in the
Information palette are irrelevant for our purposes.

Paul
www.PaulRoark.com 

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