HP HP 123A, (Q3972A) Yellow Original LaserJet Toner Cartridge (HEWQ3972A)HP Q3960A, Q3961A, Q3962A, Q3963A, Q3971A, Q3972A, Q3973A Toner HP LaserJet print cartridges are more than just toner, they include key pieces of technology enabling the printer to maintain its high performance over time. Advanced toner formulation for crisp, sharp output every time. Consistent color and professional results across a broad range of plain and specialty papers. Global Product Type: Toner Toner Cartridges Device Types: Laser Printer