My new black HP cartridge was working fine. After several days, it now says that it's inserted incorrectly. I haven't touched it at all. I've tried cleaning it, re-inserting it, unplugging it, restarting it..... nothing works. Ideas?
Welcome to the HP Support Community. I'd be happy to assist you with the ink cartridge error.
To better assist you -
1.) May I have the exact model name of the product? Refer to this document for steps to find the product details. Do not share any of your personal information such as serial, phone number, email ID, etc.