Page Yield*: 1200 *Per Cartridge at 5% coverage (ISO/IEC standard) Compatible with Dell 593-BBKD, PVTHG, P7RMX, 2RMPM and CVXGF Contains a toner management computer chip system which allows each cartridge to communicate with your computer Compatible with Printer Models Dell E310dw Please contact us first with any product issues. We want all of our customers to be happy because happiness matters.