Digital BW, The Print

Before I go to all the trouble of creating a transfer curve for UT 
inks in a 1270 onto EAM has anyon else done it!

Thanks, not wanting to shirk but if someone else has put the effort 
in I might benefit if I ask nicely, pretty please!

Gareth

--- In DigitalBlackandWhiteThePrint@yahoogroups.com, "garethlock4472" 
<g.loc@o...> wrote:
> Many thanks for the info, it was just what I was looking for, just 
> need to find a spare couple of hours to create a curve.  Hmm now 
> where did I leave the kids playing? :)
> 
> Gareth
> 
> --- In DigitalBlackandWhiteThePrint@yahoogroups.com, "seaford6" 
> <gbphoto@o...> wrote:
> > Gareth,
> > 
> > I have a similar problem using the MIS variable mix quadtones 
with 
> > Somerset Enhanced Satin paper. The mid tones are blocked.  
> > 
> > Paul Roake suggested adjusting the curve by using a transfer 
> > function.  This is available in the full version Photoshop and 
MIS 
> > have a link to Jerry Nevins Tutorial.
> > 
> > http://www.jnevins.com/transferfunctioncurve.htm
> > 
> > Regards
> > 
> > Garry Bisshopp
> > 
> > 
> > 
> > --- 
> > 
> > In DigitalBlackandWhiteThePrint@yahoogroups.com, "garethlock4472" 
> > <g.loc@o...> wrote:
> > > In reply to my previous message re: curves vs profiles I 
decided 
> to 
> > > do some experimenting! 
> > > 
> > > I set up my monitor using Adobe Gamme several times and got 
> > something 
> > > which looked right however for me to see the full 90-100% in 1% 
> > > segments I had to have the gamma turned right up which blew 
> > > everything else out and I did not get true blacks (more of this 
> > > later).
> > > 
> > > I have just printed out a great test chart which has 0-100% in 
5% 
> > > steps, 1-10% and 90-100% steps in 1%, and 0-10% and 90 to 100% 
in 
> > 2% 
> > > steps.  When printed without a curve the mid-tones are blocked 
up 
> > and 
> > > I cannot even get past 90% without seeing pure black.  The NCA-
> gs1 
> > > curve allows me to get even tones all the way through to 94% 
and 
> > then 
> > > I cannot discriminate any further.  The NCA-nc1 curve doesn't 
> quite 
> > > get as far 92% before blacking out.  
> > > 
> > > I can see how the GS curve works because it is one channel (not 
> > going 
> > > to even attempt the colour curves!).  How easy is it to modify 
> this 
> > > curve to allow the 94-99% be lightened to see the delineation 
> > between 
> > > the sections?  The gs1 curve has 16 points including 0 and 255 
> and 
> > 5 
> > > points within the first quarter of the graph; these obviously 
do 
> > not 
> > > match linear steps.  When you are modifying something which is 
> > tucked 
> > > right in the bottom left of the graph things don't seem to move 
> on 
> > > the screen.  It doesn't help that on screen I cannot see past 
92% 
> > > anyway!
> > > 
> > > Any ideas from the collective wisdom?
> > > 
> > > Gareth
> > > 
> > > PS The fianl print settings were:
> > > 
> > > Colour Space Assigned: AdobeRGB 1998
> > > Source Space: Adobe 98
> > > Print Space: Same as source (When using the Epson 1270 profile 
it 
> > is 
> > > pure black from 85%!)
> > > Paper Setting: HWM
> > > Dpi: 1440
> > > NCA in Driver