Keep your Phaser or WorkCentre laser printer printing for longer with a genuine Xerox High Capacity Toner Cartridge (106R01597) with increased page yield. Your printer will display Black Toner Low or Replace Black Toner Cartridge messages when it's time to replace the old cartridge. Make sure you have a fresh Compatible to continue printing. This high capacity toner cartridge works longer and harder with your Xerox printer, yielding up to 3,000 pages.