Digital BW, The Print

Paul:

Thanks for the quick tutorial.  You've convinced me (a 1160 user) of 
the need to partition in RGB space to "trick" the Epson driver into 
matching the applicable ink darkness with the applicable portions of 
the grayscale.  Very logical.

Jeff Randall

--- In DigitalBlackandWhiteThePrint@y..., "Paul Roark" 
<paul.roark@v...> wrote:
> Jeff,
> 
> You wrote:
> 
> >Doesn't the Epson driver partition the grayscale in Woolf's 
workflow
> >(instead of manually partitioning like your VM Quad RGB and 
Brandin's
> >Original Quad RGB workflows)and Woolf's "curve" then adjusts, ahead
> >of time, the Epson driver's output?  [Yes I know why not do it 
right
> >the first time in one step, but I am curious?]
> 
> Perhaps I missed something in the workflow, but I think that it just
> involves a single curve on a grayscale file.  The Epson printer, 
thinking
> it's a color inkset, will distribute the "colors" equally so that 
the image
> will remain gray.  So, the partitioning that the Epson driver does 
is
> between the black and "colors" and between the light/photo and full 
strength
> inks in the 6-ink printers.  What the Epson driver will not do is 
put the
> lightest ink only in the highlights, etc.
> 
> The yellow-position ink in the standard MIS quads is MIS's "50%," 
and this
> is very dark ink -- much darker than 50% of the darkness of the 
straight
> black.  So, even in 6-ink printers there will be a very dark ink in 
the
> highlights.
> 
> A workflow like this might well satisfy most users in the latest 6-
ink
> printers, but there will be more visible dots than a partitioned 
quad
> workflow.  I used a non-partitioned workflow at first with standard 
MIS inks
> on an 1160.  The prints were OK as large display prints, but I 
wouldn't be
> happy with that approach for smaller prints.
> 
> Paul
> http://www.PaulRoark.com