WorkPlus 3,000 Pages Toner Catrideges High Yield Compatible for Xerox Phaser 6500N, 6500DN, WorkCentre 6505N, 6505DN Printers Black 106R01597 1. Page Yield: Black, 3,000 per cartridge at 5% coverage. Shelf Life: 24-36 months per cartridge. 2. Compatible Printers: Xerox Phaser 6500N, 6500DN, WorkCentre 6505N, 6505DN. 3. Certification Approved: CE, SGS, ISO-9001, ISO14001 and MSDS. 4. Package: 1 pcs of Black toner caridge 5. Warranty: Workplus provides two year warranty for all products we offered.