Re: [Digital BW] Re: Imageprint RIP/2200/2400/4800
2005-07-04 by Brian Ellis
>In my hands >with a 2200, I was never able to get an >acceptable "neutral print" >using Ultrachrome inks that I could use <to replace silver prints. This isn't necessarily a unanimous experience. FWIW with QTR usually set to 75% cool and 25% warm, UC inks (except for Eboni black) in a 2200 on EEM or PFA paper, I get results as "netural" as those I obtain in the darkroom using Kodak Polymax Fine Art paper (sadly, not to be made any more) processed in Ilford Universal developer 1-9. I've framed and exhibited both types together. If before reading the descriptions on the back anyone has noticed that some are digital and some are traditional they haven't said anything. Both types of prints are made from 4x5 and 8x10 negatives, larger than most people use, which may account for my more favorable experience with UC, QTR, etc. than yohnnyboy's.
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----- Original Message ----- From: "yohnnyboy" <chhopk@...> To: <DigitalBlackandWhiteThePrint@yahoogroups.com> Sent: Sunday, July 03, 2005 9:34 PM Subject: [Digital BW] Re: Imageprint RIP/2200/2400/4800 >My only question is: are B&W prints from the 2400 better than a 2200 >w/Bowhaus RIP (or >Image Print). I only print in B&W as a hobbist. > >Martin Martin BW prints made on the Epson 2200, 2400, and 4800 using Rips or Epsons advanced Black and White solution all function in essentially the same way. The printer uses 2 to 3 different black inks with various dilutions. If you take a look at a step wedge (from 0% to 100% black) created with these inks you will see an extremely warm profile that changes color throughout the density scale. Color inks are layed down to cool off the basic "warm-black" inks to give neutral B&W tones. That's the idea but it isn't so simple to implement. RIPS allow the user to fine tune the ink amounts and curves to adjust the tones for individual tastes. I tried both QTR and the more expensive IJC-OPM RIP from BOWHAUS. Using their canned profiles, EPSON UC inks on "glossy RC type papers" I was astonished to see how bad the results were. After spending serious money on IJC-OPM I just couldn't believe the horrible bluish- cyan tones in the prints. The nice thing about the RIPS, however, is that you can tweek the profiles and ink limits to fine tune the output for your printer and your own personal tastes. After learning to do that I was able to create my own profiles that worked with "some images." The only profiles that I found acceptable produced prints that were always somewhat warm toned. In my hands with a 2200, I was never able to get an acceptable "neutral print" using Ultrachrome inks that I could use to replace silver prints. I can say the same for my tests of Imageprint. The new K3 inks used in the 2200/4800 are not as warm toned as the older Ultrachrome inks. They are intrinsically easier to "cool off" to neutral. In addition, their bronzing and gloss differential characteristics are vastly improved over the ultrachrome inks. To my eye, the test prints of my own images made from an Epson 4800 in the advanced black and white mode are superior to that of a 4000 even when the 4000 is driven by Imageprint. The new K3 inks used in the 4800 and the better dither patterns of this advanced printer lead to a smoother, more appealing B&W image with more neutral tones. I can't explain this scientifically but my own emotional response to prints with ultrachrome inks is "OK I can use this as a test print but I don't dare even give it away" With a 4800, my response is "its not absolutely perfect but I feel comfortable selling this print with my name on it." The gloss characteristics of the new K3 inks are really spectacular when compared to UC inks. When you look at a print with some rich dark tones you still see a smooth homogeneous gloss. This homogeneity is important to a viewers emotional response to the image. With ultrachrome inks the darkest tones lose gloss. This combined with the awfull bronzing give ultrachrome prints a less than satisfactory appeal on RC papers. K3 inks only begin to have gloss problems in the extreme highlights where the uninked paper surface begins to come through. To sum up: for my tastes a 2400/4800 print already beats a 2200//Imageprint//QTR//IJC/OPM print. There is no contest to me. I am not knocking the RIPS. They are great software. I am just saying that the new K3 Epson printers are technologically superior and the older printers cannot offset this difference by using a RIP. When the RIPS support the 2400/4800 printers the gap will only widen. Remember that everthing I have said here is subjective and is only my opinion resulting from my own emotional responses. If you can you should test for yourself. QTR can be evaluated at no charge. The same used to be true for Imageprint on a MAC platform. I have not had good luck with MIS inks. But many on this site have had great success. You might see if those inks appeal to your tastes. There is photographer on this list that I greatly respect named Joel Pickford. Quite a while back Joel talked about his 6 month testing of ultrachrome inks and RIPS. He stated that it was impossible to make what he considered to be "fine prints" with ultrachrome inks even with a RIP and he tried them all. At the time I laughed because I didn't believe him. Now after 4 months of my own testing I find that my tastes are similar to Joel's. Joel also incited EPSON to step up to the plate and make a new printer for B&W printing using 3 black inks. Well Joel, Epson has done so. I would love to hear what you think of their product. 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