Replacement Toner for Lexmark 78C10KO 78C10C0 78C10MO 78C10Y0 — Compatible with CS421 CS421dn CS521 521dn CS622 CS622de CX421 CX421adn CX522 522ade Printers — Black

Compatibility: This CS421 replacement toner is compatible with the following printers — CS421, CS421dn, CS521, 521dn, CS622, CS622de, CX421, CX421adn, CX522, 522ade, CX622, CX622ade, CX625, CX625ade, and CX625adhe. Yield: The CS421 black toner cartridge produces approximately 2000 pages at standard 5% coverage. The color version yields around 1400 pages at the same 5% coverage. Print performance: Engineered for crisp output and dependable speed, these CS421 cartridges deliver sharp text and vibrant graphics while withstanding the demands of heavy printing. They are suitable for business, education, and home office environments that require consistent, high-volume results. Installation and reliability: Cartridges are designed for quick, no-fuss installation and have been thoroughly tested to ensure full compatibility with listed printers. Expect consistent, high-quality prints with each replacement. Premium output: Using pure-color, high-definition toner, these cartridges provide a high-gloss effect for enhanced color depth and fine detail in both graphics and text.