The Hewlett-Packard - HP 131X Black LaserJet Toner Cartridge prints professional-quality documents and marketing materials in your home or office. Maintain productivity with cartridge designed to be reliable. High-capacity cartridge helps you save on frequent printing. Count on easy supplies reordering, replacement and recycling. Install HP toner cartridge quickly and easily. HP helps you recycle cartridges through the HP Planet Partners program.