. HP 131A Black LaserJet Toner Cartridge prints professional-quality documents and marketing materials in your home or office. Maintain productivity by avoiding wasted time and supplies. These cartridges are specifically designed for your printerKey Product Info . Make a professional impact by printing bold documents and marketing materialsChoose Original HP LaserJet toner cartridges for exceptional reliabilityWhen it\'s time to install a new cartridge you can trust that HP\'s cartridge design makes replacement quick and easy What\'s in the box? . Toner cartridgeRecycling guide