The HP LaserJet 645A C9731A Cyan Toner Cartridge is a genuine original product manufactured in Japan by HP. Specifically designed for the HP LaserJet 5500 and 5550 printers, this toner cartridge ensures high-quality printing results with vibrant cyan tones. With advanced laser print technology, this cartridge guarantees sharp and clear prints for professional documents and images. Upgrade your printing experience with this reliable and efficient cyan toner cartridge from HP.