| Designed to automatically update the memory in your printer to protect against the introduction of counterfeit and/or unauthorised third-party cartridges |
| Licensed for single use only and are designed to stop working after the delivery of a fixed amount of toner, a variable amount of toner will remain in the cartridge when replacement is required |
| Patented print cartridges sold at a discount in exchange for agreement to the license requirement that the cartridges will be used only once and returned only to Lexmark for remanufacturing and/or recycling |