55B1000 Black Toner Cartridge — Compatible with Lexmark MS331dn/MS431dn/MS431dw/MX331adn/MX431adn/MX431adw/MX432adwe — High Yield 3,000 Pages, Built-in Chip

Compatibility: Fits Lexmark MS331dn, MS431dn, MS431dw, MX331adn, MX431adn, MX431adw and MX432adwe printers. Model reference: 55B1000. High page yield: High-yield black toner rated for 3,000 pages (5% coverage/A4), helping to lower running costs and extend time between replacements. Upgraded smart chip: Each cartridge includes a built-in Smart Chip to ensure full, plug-and-play compatibility with no extra adjustments needed during installation. Print quality and reliability: Formulated to produce sharp text and crisp images with consistent results — resistant to fading and free from leakage. Simple setup: For optimal performance, shake the cartridge gently up and down before installation to evenly distribute toner particles and improve toner flow.