@thomas-pondant,

Textbook answer. Using both of those means are the correct way to do so.

Having used both, I can say that in my experience, it works...once and only once.

The second time...not so much.

Manually, you can take isopropyl alcohol with a cotton swab and gently rub away the dried up ink until you see a clean surface. Then take the cartridge and tap it against a a surface (covered with a paper towel) to get the ink to prime the pin holes.

put it back in and try and print.

Jose,
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