HP® 124A Black Original Laserjet Toner Cartridge Is Designed To Deliver The Best Image Quality And Reliable Printing. Toner Cartridge Is Compatible With HP Laserjet 1600/2600/cm1015 Mfp Printer Series And Yields Up To 2,500 Pages. HP® 124A Black Toner Cartridges Deliver Consistent Yields And Provide High-Quality Results.