The Solid Ink for Phaser 8550/60/60MFP Black Ink is a genuine Xerox product specifically designed for Xerox printers. It offers high-quality black printing using solid ink technology, ensuring sharp and professional results. Each unit is brand new, sealed, and compatible with the specified Xerox printers, making it a reliable choice for continuous and consistent printing performance. Upgrade your printing experience with this original Xerox product.