The Xerox Phaser 6300/DN laser toner cartridges from LD Products are 100% brand new compatible laser cartridges that are Guaranteed to meet or exceed the print quality of the OEM Xerox Phaser 6300/DN laser toner cartridges. Purchasing our Xerox Phaser 6300 cartridges is an excellent way to save money without sacrificing quality. Our Xerox Phaser 6300/DN Laser Toner Cartridges have a 'Lifetime Guarantee'. The use of our compatible laser toner cartridges for the Xerox Phaser 6300/DN does not void your printer's warranty. OEM laser toner cartridges are also available for your Xerox Phaser 6300DN printer.