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Hi, thanks for your question. The HP+ software blocks the use of compatible/remanufactured cartridges for the life of the printer. Ie, if you've installed the HP+ software on your printer, you will now only ever be able to use original HP cartridges such as:
https://www.tonergiant.co.uk/product/HP-142A-Black-Toner-Cartridge-W1420A-W1420A-100578/