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Guidelines
To resolve issues with 0xb90c05a4 error on your OfficeJet series: Click here to view.
Check some of the most frequent questions about Instant Ink: HP INSTANT INK, HP+ PLANS: INK AND TONER.


Check out our Black or Color Ink Not Printing, Other Print Quality Issues info about: Print quality and Cartridge Issues.
HP Recommended
8600
macOS 10.15 Catalina

have had the 8600 printer for years, and always bought HP cartridges.  I use the HP 950 XL and they have always worked fine.  I recently got an error message “Missing print head” and am trying to fix.  I removed the print head and am cleaning it as instructed... but can’t reinsert the ink cartridges.  Ideas?

1 REPLY 1
HP Recommended

Finished cleaning and reinstalled print head.  950 XL cartridges won’t go back into print head

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