The HP 78A OEM CE278AC Black Genuine LaserJet P1566 P1606 toner cartridge is an original product made by HP in Japan. Specifically designed for the Laser print technology, this toner cartridge is compatible with models P1606 and P1566. Packaged in a sealed bag, this genuine HP product ensures high-quality printing results and is a reliable choice for those looking to maintain the performance of their HP printers.