Feature●For Use in: M820 | TM-935, TM-H6000, TM-H6000II, TM-H6000IV, TM-U150, TM-U420, TM-U675 | CE-4200, CE-4250, CE-4700, CE-5100, CE-6100, CE-7000, TK-1300,TK-2300, TK-2700, TK-6000, TK-7000 | JS-5000●100% Satisfaction & Lifetime Guarantee●Each Cartridge Yields 4 Million Characters | Shelf Life: 48 Months●The use of compatible replacement cartridges and supplies does not void your printers warranty●All LD compatible and remanufactured cartridges are quality tested to ensure long-lasting use and bold, vivid print on every pageDescription