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  1. J

    Help needed understanding Canon ip4500 nozzle check and system test

    Printer is about 1.5 years old. It's had light, but consistent use. I've been using compatible cartridges from the same supplier since the originals ran out. Recently though I've been unable to get a good nozzle check result. I've replaced all cartridges and performed so many cleans (deep and...
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