This is open box but unused toner. The Xerox WorkCentre 3550 High Capacity Toner Cartridge is specifically designed for the Xerox WorkCentre 3550 printer model. This high capacity toner cartridge ensures long-lasting and high-quality printing performance. With the Xerox brand reputation for reliability and compatibility, this toner cartridge guarantees consistent and impressive results for all your printing needs. Easy to install and use, this product is a cost-effective solution for maintaining productivity in your workplace.