Lexmark 77L20K0 Toner-kit black return program, 15K pages ISO/IEC 1975

Unison Toner Essential to Lexmark print system performance Unison Toner delivers consistently outstanding image quality long-life system reliability and remarkable sustainability. Its advanced toner science thats uniquely formulated for your Lexmark printer. Flexible supplies options Genuine Lexmark cartridges are available in a variety of yie... morelds types and price points. Choose the option that works best for your unique business needs. Lexmark Return Programme Cartridges Lexmark Return Programme cartridges are print cartridges sold at a discount in exchange for the customer's agreement that the cartridges will be used only once and returned only to Lexmark for remanufacturing or recycling. These single-use only cartridges will stop working after reaching the end of the rated life established by Lexmark (a variable amount of toner may remain when replacement is required). These cartridges may also automatically update the printer memory to protect the printer from counterfeit and unauthorised products. Supplies without this single-use term are available at