Speedy Inks Compatible Toner Cartridge Replacement for HP 49X High Yield (Black) Page Yield: 6, 000* | *Average printer cartridge page yield in accordance with ISO 19752 Color: HY Black Shelf Life: 24-36 Months Please note - The high yield Q5949X cartridge is not compatible with the HP LaserJet 1160 or 1160Le printer. The standard yield Q5949A toner is compatible with these printers. The use of aftermarket replacement cartridges and supplies does not void your printer's warranty