INK E-SALE Replacement for HP CF280X 80X Black Toner Cartridge for use with HP Laserjet Pro 400 M401a M401n M401d M401dn M401dne M401dw MFP M425dn2 Pack Compatible Printers List: LaserJet Pro 400 M401 Series; LaserJet Pro 400 M401d; LaserJet Pro 400 M401dn; LaserJet Pro 400 M401dne; LaserJet Pro 400 M401dw; LaserJet Pro 400 M401n Printer; LaserJet Pro 400 MFP M425 Series; LaserJet Pro 400 MFP M425dw; LaserJet Pro 400 MFP M425dn Printer High Yield: 6900 Pages per black toner cartridge at 5% coverage (Letter/A4) Package includes: 2 packs of CF280X black toner cartridges and 1 User Guide Warranty and Customer Support: 24-Month Warranty and 24/7 customer support with technical advice Condition: New and compatible. NOT OME. Produced from ISO 9001/14001 certified factory, not OEM.