Page Yield*: 2600 *Per Cartridge at 5% coverage (ISO/IEC standard) 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 the following Dell Printers: Laser- E310dw, E514dw Multi-Function- E515dn, E515dw Color: Black Please contact us first with any product issues. We want all of our customers to be happy because happiness matters.