The Xerox Phaser 8400 laser toner cartridges from LD Products are 100% brand new compatible Solid Ink Sticks that are Guaranteed to meet or exceed the print quality of the OEM Xerox Phaser 8400 Solid Ink Sticks. Purchasing our Xerox Phaser 8400 cartridges is an excellent way to save money without sacrificing quality. Our Xerox Phaser 8400 compatible Solid Ink Cartridges have a 'Lifetime Guarantee'. The use of our compatible Solid Ink for the Xerox Phaser 8400 does not void your printer's warranty. OEM Solid Ink Sticks are also available for your Xerox Phaser 8400 printer.