Inclusions: Compatible Toner Cartridge Replacement for HP 49A Q5949A (black) Compatible with: Printer LaserJet: 1320, 1320n, 1320nw, 1320t, 1320tn, 3390 and 3463 Page Yield: 2,500* Shelf Life: 24-36 Months *Average cartridge page yield in accordance with ISO IEC 24711 Color: Black The use of aftermarket replacement cartridges and supplies does not void your printer's warranty