LD Compatible Toner Cartridge Replacements for HP 312X CF380X High Yield (Black, 2-Pack) Page Yield: 4,400 per cartridge | Shelf Life: 24-36 months per cartridge | *Average printer cartridge page yield in accordance with ISO 19752 The use of Compatible cartridges and supplies does not void your printers warranty All LD branded products are backed by a 100% satisfaction and LIFETIME guarantee These Compatible toners contain up to 85% new parts including brand new wiper blades, OPC drums, and other internal components For use in the following HP Color LaserJet Pro MFP printers: M476dn, M476dw, and M476nw