20N10K0 / 20N10 Black Toner Cartridge Replacement for Lexmark CS331 CX331 CS431 CX431 CS331dw CS431dw CX331adwe CX431adw

Compatibility: This CS331 black toner is compatible with Lexmark CS331, CX331, CS431, CX431, CS331dw, CS431dw, CX331adwe and CX431adw printers. Please verify your exact printer model before ordering to ensure the correct cartridge. Print Yield: High-capacity performance with an approximate black page yield of 2000 pages and a color yield of approximately 2000 pages (based on 5% coverage of A4 paper). Reliable Output: Designed for consistent, clear black prints for documents, presentations and graphics — suitable for both office and home use. The cartridge delivers steady print results and helps avoid common printing issues while not harming your printer. Installation & Quality: Easy to install with no special tools or technical skills required. Produces sharp, smooth text with stable black density and broad compatibility across the listed models. Notes & Support: Before purchase, confirm printer compatibility and obtain the corresponding waste toner box as needed. After buying, you can send your printer model and photos to us so we can verify the correct cartridge. If you have any questions, contact us through Amazon.