Digital BW, The Print

Shilesh,

>...
>I did rough density measurents (scanner based) on Epson color dyes
>and the FS Quads, and I believe the FS inks loaded in the following
>order will require very small curves adjustments (I will try them in
>a couple of days):

>CcMmYK (inks positions) = CYCYMK (FS inks) or Dark, Light, Dark,
>Light, Medium, Black. This is slightly different from my current ink
>positions of CcMmYK = CMCMYK.

I would think the C to Y difference might be a bit on the large side.  Did
you ever try the C & M system with M also in the yellow position?  With all
3 jets firing M in the highlights I was guessing that it might be too dark.

At any rate, I'll be curious what you find with the new ink positions.

Paul
http://www.PaulRoark.com

_________________________

--- In DigitalBlackandWhiteThePrint@y..., "Paul Roark"
<paul.roark@v...> wrote:
> Hi,
>
> For 1270 and 870 owners, a new set of Photoshop image adjustment
curves has
> been posted in the Files section of this forum.  The Files section
is at:
> http://groups.yahoo.com/group/DigitalBlackandWhiteThePrint/files/
>
> From there go to:  > Ink Sets, reviews and techniques > MIS
Variable Mix >
> 870 and 1270 Curves
>
> Martin has put all the curves in a Zip file that also includes a
text file
> with the setting information.
>
> These curves use different settings than the older 1270 curves.
The first
> difference is that the Epson driver color management setting
is, "No Color
> Adjustment."  So the sliders are disabled.  But, the trade-off is
that the
> curves should be cross-platform. (The names have a prominent "NCA"
in them
> to remind me and others of this change.)
>
> I wrote the curves on an 870-PC platform.  So, I'd be most curious
how they
> work on a 1270-Mac platform.
>
> These curves also use paper-type setting of Matte Heavy Weight, not
Photo
> Quality Ink Jet.  The curves, as usual, were written for Epson
> Archival/Enhanced Matte.
>
> The curves also are written for Adobe RGB (1998) working space.  (I
set the
> Color Settings (under "Edit") first to PS 5 defaults and then just
change
> the RGB working space to Adobe RGB (1998).)
>
> I've re-named the "mw" curve the "nw" curve.  When this curve is
used with
> EAM, the print is initially dead neutral in the mid-ranges --
according to
> the X-Rite densitometer I used to write the curves.  (Of course,
the paper
> tone affects the highlights, and the warm black affects the deep
shadows.)
> So, the "nw" curve starts neutral but will warm to medium warm.
>
> Note also that one of the curves is a grayscale printing curve.
There is no
> RGB mode conversion in the workflow for this curve.  Just apply the
curve
> and print.  (Be careful not to save an altered file, which will not
be as
> obvious as in the RGB workflows.)  The print is 0.01 unit cool in
the
> lighter tones and a bit cooler in the shadows, with a maximum 0.03
cool at
> 65-70%.  (These modern, hextone Epsons clearly do not need
partitioning
> curves to get smooth highlights.)
>
> Let me know how these new curves work on your 1270s.
>
> Paul
> http://www.PaulRoark.com