Nelson Helm wrote: > However, perhaps a year ago, I printed some color pictures to display > in a collage. I noticed last week that in some of the pictures, the > blue has faded. In some, it has not. > > Moral: inks are not all equal. The story does not end when the ink > dries on the paper. > But, I don't which are good, which are bad.
For what it is worth, I have spoken to both of the owners of http://inkjetsusa.com/ and they have told me that they have a chemist who painstakingly analyzes and duplicates formulas to match the orininals. Their top line cartridges are made in China with their own duplicate ink formulas for each type of printer. I was told that most of the aftermarket ink is "universal", meaning that there are factories in China putting the same ink into many different types of cartridges. Who developed the formula and chose the pigments? Some bean counter, no doubt. Does each factory have its own "universal" formula with their own choice of raw pigments and solvents? I dunno. If I was trying to do high quality photo printing, I would try putting this ink and the Epson ink to an accelerated aging test under UV light to see how they both age. The ink that Nelson uses would not do well in this test, and I hope that the Epson ink would be better, and the one I am using, which is half the price or less, as I recall. David Dudine | The next meeting of the Louisville Computer Society will | be January 28. The LCS Web page is <http://www.kymac.org>.
