Complete Set of Compatible Laser Toner Cartridges Replacement (Non-OEM) for Phaser 6510 and WorkCentre 6515 For Xerox Phaser 6510 6510n 6510dn 6510dni and WrokCentre 6515 6515n 6515dn 6515dni Page Yield: Around 5, 500 Pages by the Black Cartridge and 2,400 Pages per Colour Cartridge @ 5% Standard Coverage Rate on A4 Paper Size. Manufactured with highest quality and standards by ISO, CE, & REACH manufacturer for best printing performance matching the standards of OEM. PRINTOXE® Brand® 100% Compatible in Retail Package Shown in Image. Shelf Life exceeds 24 Months.