Digital BW, The Print

If you use a rotary drum machine go with PMK. After the first half 
of total development time substitute with fresh developer to avoid 
getting  non actinic stain. The results will be awesome in every 
respect and especially for scanning.
Hope this helps.

--- In DigitalBlackandWhiteThePrint@yahoogroups.com, "jymbo4600" 
<jymbo46@b...> wrote:
> --- In 
DigitalBlackandWhiteThePrint@yahoogroups.com, "jmoore172002" 
> <jeffmoore17@c...> wrote:
> > I apologize if this post is too much off topic.
> > 
> > I am interested in exploring Pyro development for my 4x5 sheet 
> film 
> > negatives to be scanned for Piezo printing. I shoot HP5+, 
process 
> my 
> > film in a Jobo CPP-2 rotary processor, scan on a Polaroid 
> SprintScan 
> > 45 Ultra, then print using PiezographyBW on an Epson 1280 and an 
> > Epson 7600. I plan on using the Pyro ABC (Rollo Pyro) 
formulation.
> > 
> > This will be my initial foray into Pyro development. I have a 
> couple 
> > of questions for any experienced Pyro users out there.
> > 
> > 1) With respect to scanning, is the staining effect of Pyro 
> > development beneficial or detrimental?
> > 
> 
> If you go to www.barrythornton.com he has a new Pyro formula that 
he 
> mixes specially for scanning. I have had great luck with PMK for 
> years, with no blotching and I tank develop by hand. Even my old 
> Diana negatives scan beautifully. Thornton's developer does a 
lovely 
> job too. Jim Weekes
> > 2) Any recommendations for starting development times for HP5+ 
and 
> > Rollo Pyro?
> > 
> > 3) In a rotary processor, should I pre-soak, and for how long?
> > 
> > Any input from experienced pyro users is very much appreciated. 
> > Thanks.