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‎12-02-2023 07:52 AM

HP Recommended
Operating System: Microsoft Windows 10 (64-bit)

Last week my T520 gave me an error message that I needed to replace my K Cartridge.  I did.  I then got a message that I needed to replace my print head.  I ordered a new one, and replaced it.  The screen told me that I needed to replace  all of the ink cartridges with new ones.  I first tried a back up new set that I had here, and I then tried the new set that came with the new print head.  I am still getting that message for the K cartridge.  I have updated the firmware, and tried cleaning contacts on both the print head and the ink cartridge.  I also tried powering off and on several times, and I have now ordered another black cartridge (3X the charm?)  Any other suggestions as to what I can try?  I am currently dead in the water.

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