Do it Wiser &reg; Compatible Toner Cartridges Set Black Cyan Magenta Yellow For Xerox Phaser 7750 7750B 7750DN 7750GX 7750DXF - 106R00652 106R00653 106R00654 106R00655 - Black Yield 32,000 pages | Color Yield 22,000 pages (Set of 4) Black high yield 32,000 and Color high yield 22,000 pages at 5% Coverage Compatible with part numbers: 106R00652 106R00653 106R00654 106R00655 Compatible with printer models: Xerox Phaser 7750B | Xerox Phaser 7750DN | Xerox Phaser 7750GX | Xerox Phaser 7750DXF | Xerox Phaser EX7750 Do it Wiser Smart Toner Cartridges are covered by 1 year warranty against defects Cartridges certified to work | ISO 9001 quality assurance | ISO 14001 environmental management | RoHS Lead Free