Digital BW, The Print

--- 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.