INK4WORK Compatible Toner Cartridge Replacement for Dell E310dw, E514dw, E515dn, E515dw (593-BBKD / P7RMX) High Yield Compatible with Dell E310dw, E514dw, E515dn, E515dw printer Yield: Black prints up to 2,600 pages based on 5% coverage of letter/A4 size paper. Type: ink4work Premium Compatible Black Toner Cartridge(Not OEM) This replacement toner cartridge is built to ISO9001 Factory Standards. 1 Year Manufacturer Warranty Against Product Defect