The first 300 pages of the trial cartridge will be used to print INSTRUCTIONS for the printer, which cannot even be canceled. He generally likes to "communicate with the user" through printing, because it takes paint! And paint for HP is the main income, apparently. A new set of cartridges costs more than the printer itself. An attempt to fill with "non-branded" paint is stopped somewhere at the program level. Dancing with a tambourine (firmware), constant "cleaning" of heads and other contests from a "conscientious" manufacturer. And it would be possible to splurge once on the original kit, just to check whether the original ink will go to zero in one "stage" of cleaning the cartridges, but somehow it's a pity for the money. It's easier to throw it away and remember that you can't buy any equipment from HP.
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