Patent ID: 8554090

Claim:
A replacement printer cartridge chip comprising: a printed circuit board; wherein said printed circuit board is attached to a replacement printer cartridge; wherein said printed circuit board is comprised of an encrypted memory device and a microcontroller; wherein said printed circuit board engages with a printer when said replacement printer cartridge is inserted into said printer; wherein said printer sends and receives one or more communications to and from said printed circuit board; wherein said printed circuit board monitors one or more communications sent from said printer to said printed circuit board; wherein said printer sends a request for a unique lot number data to said printed circuit board; wherein said printed circuit board senses when said printer sends said request for said unique lot number data and directs said request to said microcontroller; and wherein said microcontroller is programmed with said unique lot number data and returns said unique lot number data to said printer, which allows said printer to interoperate with said printed circuit board.