【Package content】 20N1XK0 1 pack toner cartridge 【Compatible for Printers】CS431dw, CX431adw 【Page Yield】6000 pages for per black toner cartridge, 6700pages for per color toner cartridge at 5% coverage of A4 paper 【Upgraded Chips】Equipped with the latest upgraded chips to ensure that each cartridge is perfectly compatible with your printer 【Print Quality】LPRINTCI CS431 CX431 Toner Cartridge ensures sharp and clear prints, delivering professional-quality documents comparable to those produced by original cartridges 100% page yield, professional chip, no damage to the machine's toner CS431 CX431 Extra High Yield Toner Cartridge 20N1XK0 compatible for Lexmark CS431 CX431 CS431dw CX431adw（6000 Pages | 1 BLACK)