Page Yield: Drum- 12,000 and Toner- 1,200 per cartridge Shelf Life: 24-36 months per cartridge These compatible cartridges come equipped with an ink indicator chip that accurately tracks your ink level and communicates with your printer to be sure you are receiving the best quality print possible Compatible with Printer Models Dell E310dw Dell E514dw Dell E515dw Dell E515dn Color: Black The use of aftermarket replacement cartridges and supplies does not void your printer's warranty