This is a genuine HP LaserJet 78A Toner Cartridge, compatible with HP CE278A, HP LaserJet Pro P1566 P1606 Series, and P1606 printers. The cartridge is designed for black printing technology and comes with a OEM UPC number of 884420588702. The item is perfect for use in HP LaserJet Pro P1566 P1606 Series printers.The HP 78A Toner Cartridge is an original product from the brand, designed to provide high-quality prints. The cartridge is suitable for professional printing needs and comes with a long life span. This product is perfect for those who need to print documents or images with high clarity and precision.