Incompatible Ink Cartridge / Officejet Pro 8620

[Odie3]

Needed to replace ink cartridges.  When doing so, the message "incompatible ink cartridge" showed up.  in reviewing these help blogs it suggests I have the wrong region.  the new cartridges are z10 for the us and my hp was purchased and is being used in the us.  not sure what to do.

please help.

[Bob_Headrick]

Check the markings on the cartridge you removed as well as the other cartridges in the printer - are they the same Z number?

On the front panel of the printer go to the home screen and press the ink droplet icon at the top of the screen.  Next touch the black rectangle.  At this point a new window will open that says "installed cartridge" and "Supported cartridge".  What are the cartridge numbers listed?

HP introduced regionalized cartridges (Z10, Z20, Z30 and Z40) for the previously universal 950/951 cartridges in about January 2017.  The printer will "lock" itself to the first Zxx cartridge installed in the printer.  If you are in the US/Canada you will need Z10 cartridges, but the printer may have been locked to another region by accident.  In that case you will need to have HP perform a "Regionalization Reset".  You will need to Contact HP to request a "Regionalization Reset". There should not be any charge for this, it is covered as part of the cartridge warranty. You will need to have access to your computer and printer while on the line with HP. You will need to have the full featured driver installed to generate the codes needed to reset the region.  You will also need to have a set of cartridges for the new region, once the reset is complete cartridges from the original region will no longer work.  HP's web page on the subject is here.

The regionalization reset is covered by cartridge warranty, see the document here for information.   I have also seen folks having good success posting to the HP Support Facebook page here.

Please post back here with your results, especially if you require more assistance.