print cartridge

[Luno1]

I just purchased new HP ink cartridges from Amazon and the black one will not work it's saying I need a subscription for it to work why is that?

[BeemerBiker]

If you were sold an "instant ink" cartridge it cannot be used as the serial number is tied to the printer the subscription was on.

Possibly you got fake HP ink. just guessing, but it can happen though usually at auction sites.

Check the expiration date of the ink and verify it is genuine. To check if an HP ink cartridge is genuine, look for a security label on the cartridge, scan the QR code on the label with your phone, and then go to HP's website hp.com/go/ok to verify the serial number on the label; if the label appears tampered or the serial number doesn't validate, the cartridge is likely not genuine. Tips on avoiding fake ink or toners

Possibly the contacts on the cartridge or the printhead have debris or some type of residue.

==>Debris such as glue / tape residue or dried ink in the electrical contact area of both printhead and cartridge<==
Official (HP) advice on printhead cleaning is here.
This link gives advice on cleaning the 8600 printhead and removal is described here.
This is another type of printhead cleaning, different from the above.

Cleaning and removing ink from the print head 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.

Some printers have a printhead cleaning procedure

Spoiler

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. Wait 30 minutes between cleaning cycles if more than one is needed.

Inkjet and printhead cleaning kits are available

This video shows how to remove a printhead

Consumer inkjet printer printheads typically last for several years, with some lasting up to 10 years or even longer. However, the lifespan can vary greatly depending on usage, maintenance, and environmental factors.