For Lexmark C792, C935, C950, CS820, CS921, CS923, CX820, CX825, CX860, CX921, CX922, CX923, CX923, CX924, MS710, MS711, MS725, MS810, MS811, MS812, MS817, MS821, MS822, MS823, MS825, MS826, MS911, MX722, MX810, MX811, MX812, MX822, MX826, MX910, MX911, MX912, T650, T652, T654, T656, W840, W850, X658, X792, X850, X852, X854, X860, X862, X864, X940, X945, X950, X952, X954. Contains 3 packages of 5,000 staples.