Non HP ink can be used on this list of HP printers.
General ink cartridge help
I assume you have genuine HP ink. It would be useful to get a more informative error message.
See if EWS can provide more information.
This explains how to use the EWS
Use the HP printer Embedded Web Server (EWS)
I am guessing that the old ink dried up and you need to clean the contacts.
The below is all I know about cleaning the printhead.
Some printers have a printhead cleaning procedure.
| To clean the printhead on an HP printer, access the printer settings through the HP Smart app, navigate to "Print Quality Tools," and select "Clean Printhead"; this will initiate a cleaning cycle where the printer will automatically run a cleaning process to clear any clogs in the printhead |
This link shows cleaning the 8600 printhead and removal is shown here.
This is another type of printhead cleaning, different from the above.
Cleaning and removing ink is shown below by our "Scullery" team.
An HP original video on how to clean the printheads by our experts. Yes, this can get messy, but it works. If your ink levels are good but you are printing blank pages then this is likely the solution.
Official HP advice on cleaning.
let me know which of these worked, if any.