Some one already posted about the lifespan of hp's vivera inks, but the only two replies implied that hps testing was questionable. The truth is that hp doesn't do their own tests, they hire a 3rd party that is an expert in image testing. The company they use is Wilhelm Research (http://www.wilhelm-research.com/about_u s.html). All of HP's long-life figures are from this source, and the previous post was correct, up to 117 years behind glass with HP's new ink system and hp premium plus paper, and 70+ years with the previous ink system, which is still more than this "groundbreaking" 30.
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Some one already posted about the lifespan of hp's vivera inks, but the only two replies implied that hps testing was questionable. The truth is that hp doesn't do their own tests, they hire a 3rd party that is an expert in image testing. The company they use is Wilhelm Researchu s.html). All of HP's long-life figures are from this source, and the previous post was correct, up to 117 years behind glass with HP's new ink system and hp premium plus paper, and 70+ years with the previous ink system, which is still more than this "groundbreaking" 30.
(http://www.wilhelm-research.com/about_
pricewatch is great, as long as you have www.bbb.org open in another windows to check stuff out, it has a searchable database that has most companies.