Cartridge must be replaced

[Mazdee]

Cartridge must be replaced, tried three genuine black  XL ,and one not XL, tried resetting by unplugging lead while switched on and waiting, even overnight, also removing power pack for several hours, and making sure no excess build-up under cartridge, all to no avail.and cleaned contacts as directed 

[sandytechy20]

@Mazdee

Welcome to HP support community.

Update the printer firmware:

Here are the steps- Click here

You can also refer this HP document to fix the issue:- Click here

I hope hat helps.

To thank me for my efforts to help you, please mark my post as an accepted solution so that it benefits several others.

Cheers.