so far very happy with these inks. I used regular ink on my Epson for a while. The last set (not of this brand) required several head cleanings towards the end of the set. So after cleaning the heads several times and then reinstalling them, everything has worked flawlessly so far. I print 95% black but set it to CMYK black. This allows me to use all of the ink at a good pace. The price was higher than other inks I've used in the past but so far so good so no complaints.
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