HP HP 645A, (C9730A) Black Original LaserJet Toner Cartridge (HEWC9730A) EachHP C9730A Toner Accurate, consistent lines; designed for reliable, cost effective performance. Advanced toner formulation for crisp, sharp output every time. Formulated to work together with the HP printing system to deliver reliable, high quality results in a variety of environmental conditions, including humid, arid, and damp regions. Global Product Type: Toner Toner Cartridges Device Types: Laser Printer Color(s): Black Page Yield: 13,000 Supply