4PK Caire(TM) Premium Replacement Phaser 6500 6500/DN 6500N WorkCentre 6505 Toner Cartridge Set [6500:4PK] Page Yield: Black 3000 | Color 2500 | Shelf Life: 24-36 Months Consistent crisp output with sharp Lines, solid shades, smooth edges and attention-grabbing colors. Cut the Cost/Page. Built to work flawlessly on: Xerox Phaser 6500, Phaser 6500/DN, Phaser 6500N, & WorkCentre 6505 The last page will look as good as the first, as long as there's still toner in your cartridge. Extended '2 Year 100% Quality Satisfaction' Guarantee.