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‎01-05-2024 04:41 PM

HP Recommended
Operating System: Microsoft Windows 11

HP Envy 4512 printer will not print a short letter when the FULL/New ink cartridges have been left installed in printer for a long time and printer will then indicate low level of ink when it had not been used up. The Printer goes through all the printing motions but what comes out is pale blue lines if anything at all. If I replace the cartridges the printer will print just fine but I am tired of buying new cartridges to only print a couple of pages, then have the same issue a month or so later. What can be done to open cartridge jets after sitting unused?

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