LxTek Compatible Toner Cartridge Replacement for Dell E310dw P7RMX PVTHG 593-BBKD E310 E514 E515 to use with Wireless Monochrome E310dw E515dw E514dw E515dn Printer(2 Black, High Yield 2600 Pa
Page Yield: Up to 2,600 pages per E310DW toner cartridge at 5% coverage in accordance with ISO/IEC 19798 (Letter) * A4 is larger than Letter paper and therefore 5% will be more ink on the page on A4 vs letter