Raise your expectations and lower your printing cost with the Nu-kote LT77R replacement cartridge for the IBM/Lexmark 4019, 4029. With the Nu-kote cartridge, you'll enjoy maximum print performance, reliability and dramatic savings off the cost of the OEM cartridge. Our imaging experts follow a stringent production process using only premium-grade components and ultra-fine particle toner for each cartridge. Then Nu-kote backs every cartridge with a 100% No-Risk Quality Guarantee, so you can be sure to get crisp, sharp text and graphics with every print. No smudges, no leaks, no errors!