Page Yield*: Toner- 6,700 per cartridge & Drum- 20,000 For best results, store in a cool, dry place. Use cartridge within 36 months of purchase and drum within 48 month for optimal performance. *at 5% coverage (ISO/IEC standard) Color: Black Compatible with: Brother DCP, HL, and MFC Printers: 8020, 8025D, 8025DN, 1650, 1650LT, 1650N, 1650N Plus, 1670n, 1670NLT, 1850, 1850LT, 1870n, 1870NLT, 5040, 5050, 5050LT, 5070DN, 5070n, 5070NLT, 8420, 8420, 8820, 8820D, & 8820DN Please contact us first with any product issues. We want all of our customers to be happy because happiness matters.