Digital BW, The Print

Thanks, Roy. I answered Paul just before your message popped up. 
Interesting about the 4/3.5 pl relationship.  I never thought about 
it, but it makes sense.  I'll compare my two profiles to see how that 
relationship held up.  

Lou

--- In DigitalBlackandWhiteThePrint@yahoogroups.com, "Roy Harrington" 
<roy@...> wrote:
>
> Hi Lou,
> 
> Moving profiles from the 2200 to 4000 with the same UC inks should 
be
> very doable.   As you say just copy the files over from the 2200 
folder to
> the 4000 folder.   The main difference will be the ink limits.  If 
your profiles
> are for 2880dpi then they just use single smallest dropsize.  2200 
is spec'd
> at 4pl and the 4000 at 3.5pl -- then figure 4/3.5 = 1.143 so just 
multiply all
> the ink limits by 1.143 and you ought to be very close.  You may 
want minor
> tweaks.  Then re-linearize and I bet you'll be quite satisfied.
> 
> Roy
> 
> --- In DigitalBlackandWhiteThePrint@yahoogroups.com, "Louis Dina" 
<lou@> 
> wrote:
> >
> > I'm sure people have tried this, perhaps succesfully and I 
thought I'd 
> > ask before I spend a lot of time on it.  No sense reinventing the 
wheel.
> > 
> > I have some great QTR profiles for my 2200 using UC color inks.  
I want 
> > to build the same sets of profiles for my 4000 using the same 
inks, but 
> > of course, the 4000 has different ink limits.  The profiles on 
both 
> > printers will be based on the same printing parameters (2880 dpi, 
> > unidirectional, ordered).  I was wondering if I can simply open 
the 
> > 2200 profile, rename it for my 4000, and simply reset the total 
ink 
> > limit and relinearize for the 4000.  I am assuning that the 
> > relationships between the inks would be the same percentage wise 
from 
> > the 2200 to the 4000.  Will this method generate good profiles, 
or is 
> > it necessary to start from scratch to get excellent profiles?  
> > 
> > If such a method does work, how do people do it?  I was thinking 
of 
> > determining the Black ink limit conventionally, plugging the new 
limit 
> > into the repurposed profile, removing the linearization 
information, 
> > and reprinting a target for final linearization.  
> > 
> > Thoughts, cautions, results?
> > 
> > Thanks, as always.  
> > 
> > Lou Dina
> >
>