I was glad that these replacement cartridges work just as well as the original cartridges. I haven't printed very much so I can't say how long the cartridges last, but I can say they work well. The only catch was the installation. To use the cartridge, the bright orange plastic piece must be removed. It takes some effort to remove the orange plastic and it took me a while to realize I had to remove it. After that headache the cartridge went straight into the printer and works great.
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