Page Yield*: 1,200 For best results, store in a cool, dry place. Use within 3 years of purchase for optimal performance.*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 the cartridge to communicate with your computer Compatible with Printer Models Dell E310dw Dell E514dw Dell E515dw Dell E515dn Please contact us first with any product issues. We want all of our customers to be happy because happiness matters.