The 4Pcs SC Toner Chip is a set of multicolor laser print technology toner chips designed specifically for Xerox Phaser 7800, 7800DN, and 7800DX printers. Made by Xerox, a trusted brand in printing technology, these units are compatible with the mentioned Xerox printer models. With a unit quantity of 4PCS, these chips are a reliable and efficient solution for printing high-quality documents and images. Made in China, these toner chips ensure crisp and clear prints while providing cost-effective printing options for your business or personal use.