HP 508A (CF360A) Black Original LaserJet Toner CartridgeInstall this toner cartridge easily in select compatible HP laser printers. This cartridge contains black toner that produces sharp, precise images, text and graphics, so it's great for printing presentations, reports and other documents where readability is a priority. This HP Original LaserJet 508A toner cartridge offers a yield of up to 6,000 pages, making it a good option for a medium sized office.