Digital BW, The Print

Darrell:

I forgot to mention that I recommend that you develop your workflow 
with the Epson driver set to No Color Correction (and heavy weight 
matte, 1440dpi, highest quality dither, highspeed off. Also use 
AdobeRGB 1998 if developing a partitioned workflow).  Paul Roark's 
latest VM partioned workflows take this approach as well as my FS 
workflow.  It greatly simplifies life, imo.

Jeff Randall

--- In DigitalBlackandWhiteThePrint@y..., "jrandall1149" 
<jrandall@c...> wrote:
> Darrell:
> 
> I assumed that you wanted to create a lumped RGB curve (a non-
> partitioned workflow that combines the three gray inks into one 
thus 
> yielding a 2 toned ink set -- gray and black).  For this kind of 
> workflow, only one curve is needed.  Examples are Nivin's and 
Woolf's 
> workflows.  The workflow I used to generate the curves for my Epson 
> 1160 is a partitioned RGB workflow where a seperate "transfer" 
curve 
> is created for each of the three gray inks. It, however, can easily 
> be adapted to creating a single lumped RGB curve.  I have 
sucessfully 
> used it to create a lumped RGB curve for my 1160 starting with 
> Woolf's curve. 
> 
> Remember, that although you can not *directly* enter the I/O values 
> of curves in Picture Windows, you can open the .crv (grayscale) 
> and .cc (color) files in a text editor and tweak the values.
> 
> I recommend that you start your journey with developing a lumped 
> workflow to gain experience.  Also lay in a large supply of ink and 
> paper and note that the cost in time and supplies may approach the 
> cost of the barebones Piezo system...  (;>)) 
> 
> Contact me here or offline if you have additional questions.
> 
> Jeff Randall
> 
> 
> --- In DigitalBlackandWhiteThePrint@y..., "darrelleifert" 
> <darrelleifert@y...> wrote:
> > Jeff --
> > 
> > Thanks for the pointer.  I'll try and adapt your workflow to my 
> Epson 
> > 2450 and see how far I can get.  I've used Paul Roark's .AMP 
files 
> > with PW but I'm getting some muddy midtones on my 1520, and so 
> would 
> > like to "start from scratch" (alas, no $ for Cone's Piezography 
> > driver).
> > 
> > Cheers,
> > Darrell
> > 
> > --- In DigitalBlackandWhiteThePrint@y..., "jrandall1149" 
> > <jrandall@c...> wrote:
> > > Darrell:
> > > 
> > > Try Transforms|Gray|Brightness Curve.  I recommend you set 19 
> > points 
> > > (plus the 2 end points) using Shift-click.  You can then print 
> out 
> > a 
> > > stepwedge and scan the results to determine if each point 
should 
> be 
> > > made lighter or darker.
> > > 
> > > A generic proceedure to create these curves (including RGB 
> > > partitioned curves) can be found in Profile_make2.pdf in 
> > > Files > Ink Sets, reviews and techniques > MIS FS.
> > > 
> > > Good Luck.
> > > 
> > > Jeff Randall
> > > 
> > > 
> > > --- In DigitalBlackandWhiteThePrint@y..., "darrelleifert" 
> > > <darrelleifert@y...> wrote:
> > > > Hi Folks --
> > > > 
> > > > Please forgive me if this question has been done to death, 
but 
> > I'm 
> > > > looking at using Nevins' Transfer Curve tutorial 
> > > > (http://www.jnevins.com/transferfunctioncurve.htm) with 
Picture 
> > > > Window in order to calibrate my Epson 1520 with MIS quadtones 
> and 
> > a 
> > > > variety of papers.  Can PW emulate the "Transfer Functions" 
> > dialog 
> > > > box shown in the tutorial?  Has anyone else had success in 
> using 
> > > this 
> > > > method with quadtone inks?  Thanks!!
> > > > 
> > > > Darrell