My Epson WF 3640 has the black ink cartridge dry and the three other had a print head clogged for not printing for a month. I did not want to spend the $55 for a set of ink cartridges for clearing the heads. After researching the printhead problem fixes I learned that most ink replacement should be okay. I ordered two set of ink cartridges and decided to replace the whole 4 origibal ink cartridges. I had to clean my heads three times and the printer works. The color is a bit lighter but for text prints it is okay. I will buy the same when I run out. For less than half the original price you get twice the ink. Longer and more printing to keep heads printing.
Product works. I have not had the problems that a couple of reviewers experienced, but I use the product within two months of purchase. Even brand new inkjet cartridges that are not remanufactured will sometimes dry up if kept on a shelf for months. I've saved money by using this product, and I have ordered many of these inkjet cartridges. So far, I am a satisfied customer using these inkjet cartridges.
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