Page Yield*: 25,000 For best results, store in a cool, dry place. Use within 3 years of purchase for optimal performance.*at 5% coverage (ISO/IEC standard) All of our replacement toner cartridges compatible with Dell laser printers contain a toner management computer chip that helps the cartridge communicate more effectively with your computer Compatible with the following Dell Laser printers: B5460dn, and B5465dnf Color: Black Please contact us first with any product issues. We want all of our customers to be happy because happiness matters.