Paul, Well, I'll pipe up and say this sounds REALLY COOL! You indicated that you have this running in an R220 as more or less a testbed and mentioned the ability to have matte and photo black capabilities. Does this apply to the R220 (or just to large format priinters as you originally mentioned)? I run an R220 and would, of course, be very interested in a dual K solution for it (or really any affordable printer :). Will this inkset become an obtainable product at some point? I'd love to give it a try... I'm having trouble committing to a certain level of warmth for, say, the life of an entire yellow cartridge since I'm still experimenting with different papers at this point. Sounds like this would allow more fine-tuning for particular papers. Anyway, sounds tres cool, thanks for all of your contributions. --- In DigitalBlackandWhiteThePrint@yahoogroups.com, "Paul Roark" <paul.roark@...> wrote: > > This is a neutral curve I've made for Photo Rag: > > http://home1.gte.net/res09aij/Curves_220_HPR_N_MHW_CC.jpg > > I centered the 50% point, but it warmed up a bit. I rolled the highlights > and shadows off to the paper white and dark shadow, respectively. (How much > one would want to adjust these points is a bit subjective, but it's > adjustable.) > > The Lab values (L, a, b) of the print, after a few hours of drying, from > paper white to dmax, are as follows: > > 97, 1.1, .18; > > 75, .24, .13; > > 50, .02, .08; > > 75, .69, 1.4; > > 16, .25, .89. > > The curve by itself prints with the driver set to Color Controls. As such, > some fine tuning with those controls is also possible. > > The curve has been embedded into an ICC with Roy's Create ICC program. > > As the system develops, I'll post both the ICCs and the curves so that > others can modify or re-use the curves and linearize their own systems > without the need to make a new curve. > > Paul > www.PaulRoark.com > > > > > -----Original Message----- > > ..On Behalf Of Paul Roark > > Sent: Monday, February 06, 2006 8:47 PM > > > > > > This is a preview of my latest effort at an inkset for B&W printing. > > It is an evolution of the UT7 inkset, with a new cool toner and > > the sepia replaced by a toner that lies on the Lab a* axis > > (with Photo Rag and Ultra Smooth at L 50). So, we have a true, > > if minimalist, "color" space - ... > > I've posted "picture" of the space at L 50 > > on Photo Rag at http://home1.gte.net/res09aij/UT6_Space_PR.jpg > >... >
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Re: [Digital BW] Latest B&W inkset - HPR neutral curve
2006-02-08 by vmixer42
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