Package Contents: 1 new B231000(B2338) Black Toner Cartridge with chip Compatible with Lexmark Printers: B2338dw, B2442dw, B2546dn, B2546dw, B2650dn, B2650dw, MB2338adw, MB2442adwe, MB2546ade, MB2546adwe, MB2650ade, MB2650adwe Printer Page Yield: 3,500 pages per B231000 Toner Cartridge(Letter/A4, at 5% coverage) Upgraded Chip: Each B231000 toner cartridge is equipped with a chip that ensures that the cartridge is used directly on the printer Customer support: We have a dedicated and friendly team. If you experience any problems or are not satisfied with the product, feel free to reach out to us The B231000 High Yield Black Toner Cartridge is a premium replacement compatible with Lexmark B2338, B2442, B2546, B2650, MB2338, MB2442, MB2546, and MB2650 laser printers. Equipped with an advanced smart chip, it ensures seamless printer recognition and real-time toner level monitoring. Delivering exceptional print quality with sharp, smudge-free results, this toner is ideal for high-volume office use.