Xerox 106R01566, 106R01567, 106R01568, 106R01569 High Yield Toner Cartridge Set - Phaser 7800 Approximately 24,000 pages for Black and 17,200 pages for color toner Competitive price with high quality/stable printing capacity/smart and fluent printing performance Saves ink and reduces damage to the printer head Easy to Install and Use Compatible: Phaser 7800