Speedy Inks Compatible Toner Cartridge Replacement for HP 81X CF281X High Yield (Black) For use in: HP LaserJet Enterprise MFP M630h, HP LaserJet Enterprise MFP M630f, HP LaserJet Enterprise Flow MFP M630z, HP LaserJet Enterprise Flow MFP M630dn Page Yield: 25,000* | *Average cartridge page yield in accordance with ISO 19752. Shelf Life: 24-36 Months Color: HY Black The use of aftermarket replacement cartridges and supplies does not void your printer's warranty