I don't use our printer enough to keep the cartridge from drying out but discovered something that works for me virtually all the time. I first wipe/clean the cartridge head with isopropyl alcohol then, and this is the fun part, hold the cartridge head in a stream of steam from the spout of a rapidly boiling kettle for 5 or 6 minutes - in essence, a steam cleaning. I then test it on a paper towel to see if ink comes out. If it does, dry the cartridge, install in printer, and print away. If not, repeat the process. Don't burn yourself. I can't think of a single time where this didn't work for me.
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