Carl, Thank you for your observations. I am getting a new 2400 shipped to me and I am going to try the NanoChrome K ink with UT-FS inks for b/w printing on Hahnemuhle papers. I plan on keeping the OEM LM and LC for toning purposes. Shilesh --- In DigitalBlackandWhiteThePrint@yahoogroups.com, Carl Schofield <scho@m...> wrote: > > Shilesh, > > Dither still looks good on most papers. Epson Premium Semimatte gave > me some problems with bad bronzing. Tried using QTR for that paper > so I could reduce ink limit, but had to go all the way down to limit > 30 to get rid of bronzing and then took a big dmax hit because of the > low limit. Dither seemed coarser on semimatte also (this is a very > smooth surface so it shows imperfections more readily). I've only > had the Nanochrome K loaded for a couple of days but no clogging > problems so far. > > Carl > > On Jan 21, 2006, at 1:56 PM, Shilesh Jani wrote: > > > Carl, > > > > Yup, the K ink is cold. That dooes not bother me in QTR printing. > > > > When you printed BO with these inks on your 4000, what is your > > opinion of the dot structure (dither)? Is it as smooth as the OEM PK? > > I belive the 4000 has one of the smoothest structure, much better in > > BO than 2200, 1280, etc. I have a suspicion that is why the Dmax is > > lower on the 4000. The R220 is rather a coarse machine for BO and > > also for QTR with the inkset up I have used. > > > > I am not quite ready to put these inks (or even just the K) on my > > 4000. When you loaded the K on your 4000, did you find issues with > > clogs due to interactions with the PiezoTone inks? > > > > Regards. > > > > Shilesh > > > > --- In DigitalBlackandWhiteThePrint@yahoogroups.com, Carl Schofield > > <scho@m...> wrote: > >> > >> Shilesh, > >> > >> You probably noticed that the K ink is also an icy cold blue. I > >> tried using it for BO printing in the PK slot of my 4000 (other > > slots > >> are using piezotones right now) and got some very nice looking BO > >> prints on Hahnemule Photo Rag Satin (dmax 1.93) with no bronzing > > or > >> GD, but the icy blue hue is just too much for me. If this cold > > hue > >> of the black inks can be effectively neutralized in QTR then I may > >> switch over to the full inkset. > >> > >> Carl > >> > >> On Jan 21, 2006, at 1:31 AM, Shilesh Jani wrote: > >> > >>> Hello All, > >>> > >>> This is not about whether these inks are dye, pigment, infused, or > >>> not. I am intersted in printing b/w on rag and sometimes RC papers > >>> using a single color inkset. I currently use a 4000 with OEM UC > > inks > >>> for b/w (90%) and color (10%) prints. My reasons for exploring > >>> NanoChromes (1) I just like to play with inks, (2) get better > > Dmax on > >>> matte papers, and (3) be rid of the pesky gloss > > differential/bronzing > >>> on RC papers. > >>> > >>> QTR is an awesome tool - thank you Roy Harrington! > >>> > >>> The challenge posed by the NanoChrome inks is the relatively > >>> cool/blue tone of the grey (LK) ink. My experiments are conducted > > on > >>> an R220 printer. I filled the LK ink in the redundant C position. > >>> > >>> In QTR ink configuration, I have been able to neutralize to a > > great > >>> extent this problem. For EPSG paper the settings that work are: > >>> Default limit = 80%, NO K boost > >>> LK Density = 30 > >>> Y Copy Curve from LK, limit = 6% > >>> LC Copy Curve from LK, limit = 2% > >>> LM Copy Curve from LK, limit = 20% > >>> > >>> After linerarization, the prints on EPSG, EPG, and Kirkland papers > >>> are, well, stunning! My prefered paper is EPSG. Dmax is in the 2.4 > >>> range. > >>> > >>> The fade resistance of these remain unknown, so I am waiting a bit > >>> more before loading these inks onto the 4000. > >>> > >>> Regards. > >>> > >>> Shilesh >
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Re: [Digital BW] NanoChrome QTR Printing
2006-01-22 by Shilesh Jani
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