> > I just wanted to make a quick comment on the "greenies". I tend to see > > green when the midtones are compressed. > >Yes, but the rules for diagnosing DSS disregard the symptom of >"greenish cast" just because our perception of color is >problematic...AND because this symptom usually appears in the latter >stages of DSS, and is not therefore not a good barometer for first >signs of the syndrome. > >Apologies if you are refering to another problem. >Jim H. Well, for myself, it is a symptom of compressed midtones, which is in turn a symptom of DSS, so it can be a warning sign. But I agree: compressed midtones can be caused by other things, as I discovered, so one does not equal the other. I do have to say that the olive cast is very subtle to me color-wise, but enough to be annoying. More so because I can't tell if it's really there. Sort of like a phantom tickle when you can see that nothing is touching you. My eyes don't seem to really see the green, but my brain is telling me it's there, if that makes sense. I don't see any green on my prints with good contrast. I brought it up because it seemed that the people that were suggesting that it was in the eyes of the beholder didn't actually see green, and those that did see it thought it was something else. I just wanted to say that I CAN see the green, but I KNOW in my case it's my perception, not a feature of the Piezo system. The idea isn't crazy. People I show the problem prints to don't see green. This may not explain all of the green casts being reported, but I'll bet I'm not the only one that is seeing it because of the variable ways the brain can interpret the tones. It would be nice if we could eliminate the greenies as a variable in the DSS problem. If they only show up in prints that uses a variety of tones, then I think it can be. If people get green from a dip test of the inks or from a printed single solid tone, that's a different story and something else is probably at work. There was a chuck of time when I wasn't staying current with the lists, so I don't know if the latter is the case. I seem to remember that all the inks tested so far are ok, but I believe some were missed at the beginning. It is also good to remember that we might be looking at a couple of causes that result in the same problem. An ill-seated cartridge and a restricted nozzle will both result in poor ink flow, and then there may be different reasons for the restricted flow, etc. </ramble> Mark
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Re: Greenies
2001-11-21 by Mark Carpenter
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