LxTeK Compatible Toner Cartridge Replacement for HP 80X CF280X (2 Black) for Use With HP LaserJet Pro 400 M401 M401dn M401dne M401dw, HP LaserJet Pro 400 MFP M425 M425dn M425dw Printer, High Yield 1.LxTek compatible toner cartridge replacements for HP 80X CF280X 80A CF280A have been awarded ISO9001 certification, and we have independent laboratories periodically verify product quality to ensure a smooth user experience 2.Page Yield: 6,900 pages per toner cartridge at 5% coverage 3. Compatible Printers: HP LaserJet Pro 400 MFP M425dn M425dw, HP LaserJet Pro 400 M401dne M401dn M401n M401d M401dw Printer 4.Package Contents: Compatible 80X toner cartridge for HP 80X CF280X 2 Black 5.Guarantee: 1-year limited warranty / Shelf life: 18-24 months