Printer Compatibility: Works for Dell E310DW, Dell E515DW, Dell E514DW, Dell E515DN Laser Printer What's in the Box: High Capacity Dell P7RMX (PVTHG ) 593-BBKD Toner Cartridge Replacement (2 Black, NON-OEM) Page Yield(approx): 2,600 Pages per Black pack. E310DW toner cartridges are produced in an ISO 9001 and ISO 14001 certified facility. Product will be strictly inspected before leaving the factory.