Compatible: CS331 Toner for Lexmark CS331dw CS431dw CX331adwe CX431adw CS331 CS431 CX331 CX431 Printer

Page Yield: Up to 1,500 pages per 20N10K0 Black Toner Cartridges; 1,500 pages per 20N10C0 Cyan, 20N10M0 Magenta, 20N10Y0 Yellow Toner Cartridge

What's in the box: 1 x 20N10K0 Black Toner Cartridge, 1 x 20N10C0 Cyan Toner Cartridge, 1 x 20N10M0 Magenta Toner Cartridge, 1 x 20N10Y0 Yellow Toner Cartridge