Digital BW, The Print

Victor,

Good to know this works for someone.  I haven't tested with step wedges but=
 that sounds 
like a logical next step.  

I was getting some dots in the highlights, but then took care of them by pl=
ugging in one 
of Cone's new profiles for matte paper in the "Print space" area of "Print =
with preview."  
Color management was turned off.  From what you are saying, it sounds like =
I might be 
able to do the same thing by adjusting the individual curves for each of th=
e inks.  Do you 
apply the Pantone grays or switch to web colors?  — Jan B.



--- In DigitalBlackandWhiteThePrint@yahoogroups.com, Victor Landweber <vict=
or@l...> 
wrote:
> Jan --
> 
> Yes. That's how I do it. By printing and viewing a 24-step step wedge and=
 
> 0-256-level gradient I'm able to make critical adjustments to the curves =

> for each of the four colors. This results in an excellent translation of =

> the full range of image tones to the full range of values available with =

> the inks and paper I use. My calibrated monitor is a good match to the 
> final print as long as I stay in gray scale mode. When I convert to 
> quad-tone the image looks light but prints perfectly.
> 
> In spite of my success with this method, I know that the Epson driver 
> accepts only RGB information which it converts to CMYK. This means that 
> however well my empirical adjustments work, my quad-tone curves don't 
> accurately represent the actual ink delivered to the nozzles. Ultimately,=
 
> however, this doesn't matter since the feedback I get from the step wedge=
s 
> and gradients provide all the information necessary to produce useful cur=
ves.
> 
> Printer: Epson 1160
> Inks: MIS Eboni black with MIS original 25%, 50%, 75% gray
> Paper: Epson Enhanced Matte
> 
> 
> At 06:57 PM 5/9/2004, you wrote:
> >Has anyone experimented with quadtone inks and the PS quadtone 
> >settings?  I recently tried setting the four inks to web colors that 
> >approximate black, 75%, 50% and 25%. The result wasn't bad on my 3000 (M=
IS 
> >FSN inks, Somerset Velvet). The monitor actually matched the result. 
> >Before reinventing the wheel, I'd love to hear fron anyone who has tried=
 
> >this. — Jan B.
> 
> 
> [Non-text portions of this message have been removed]