The HP 771 Genuine Printhead CE020A in Black/Light Grey is a dual unit printer accessory compatible with various HP Officejet series printers. With a color option of gray and black, this printhead is specifically designed for models like HP OfficeJet 6310, 9120, 4610, and 4654. The genuine HP product ensures high-quality prints and reliability, making it a valuable addition for maintaining efficient printing performance in your home or office setup. Expiration is July 2026.