Verbatim Laser Toner Cartridge Replacement for HP C9730A - Compatible with LaserJet 5500 / 5550 Series - Yellow Compatible Hardware: LaserJet 5500, 5550 Series. Verbatim OEM (Original Equipment Manufacturer) replacement cartridges feature a matched system of toner and components that are designed to work flawlessly together Color toner cartridges are Manufactured using Genuine polymerized (chemical) toner Utilizing Mitsubishi components & technology, Verbatim guarantees sharp and consistently accurate color results for up to 12,000 pages Verbatim has been a leader in data storage technology since 1969, and guarantees this product with a limited lifetime warranty and technical support