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Some suppliers of refillables are better than others, and very few vendors (other than IJM) have any idea what they’re selling, i.e. how good they are. They all source their products from China, probably from alibaba.com. I have had a lot of variation in quality and some have worked well, some with a little difficulty and some were rubbish. I give Jon and Dana credit because they at least went to China and did their best to assess who was any good and knew what they were doing.
http://www.inkjetmall.com/wordpress/the-light-side/china-and-cartridges/ -
Refillables work better in new (recently purchased) printers, and less well as the head ages through use. Now I have no hard evidence to support this, but that’s what seem to happen to my trusty 2100, bought 11 years ago, and currently boxed up downstairs waiting to go to e-waste. (I’ve been through a lot with that printer, so much that I’ve half-tempted to get a new print head from China and try and install it myself.) Where I have used refillables from a quality supplier from new, I haven’t had any significant problems.
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Newer generation refillables are better than old. That’s another part of my problem with the 2100, IMHO. It’s been a long time since this printer was made, so there aren’t many in use, and so no-one has done any engineering work to adapt the newer designs to this printer. I guess the switch that IJM made with the R2400 is another example of this, although I think that the current 800/1800/2400 carts are still a design generation behind the current 1400/1430/1900/2000/2880 carts.
3½. A good nozzle check using OEM isn’t a guarantee of success. For a couple of reasons. One is #2, i.e. worn print heads are less tolerant of refillables than OEM. The other is that a printer can be in need of a clean and still work with OEM, but a dirty printer is less tolerant of refillables. Again no proof but a strong hunch
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Every nozzle check gap is different, and there are quite a few possible causes other than simply clogs.
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Head cleans cause more problems than they solve, if the source of the problem is something other than a genuine clog. Purge patterns are better.
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Faulty carts do happen, even from the most reliable suppliers.
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There are printers that just won’t work with refillables, due to manufacturing tolerances. Again, I have no hard proof, but that seemed to be the case with my own R2400, even when relatively new.
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This one is the really dirty little secret of refillables: they might sometimes work, and perhaps mostly, although I have no way of knowing. Never had any problems with piezo in my R1410 and hardly any in my R1900. But sometimes they just don’t. Perhaps it’s some combination of 1-7, but whatever, sometimes they just don’t work, no matter what you do.
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If it’s going to work, it should work relatively simply. Having to struggle and do multiple printer cleans is not a good sign (unless one or more carts is faulty, which does happen, even with IJM carts).
Anyone want to dispute any of these or add any more?