Aztech 2PK 6,900 Page Yield Compatible for HP 80X CF280X (80A CF280A) Toner Cartridge for HP Laserjet Pro 400 Toner HP M401n M401dne m401dw Toner HP Laserjet Pro 400 MFP M425dn M425dw Toner Printer 6900 PAGES PER CARTRIDGE 0.0018 PER PRINT, COST SAVING IS REAL FRIENDLY & PROFECTIONAL PHONE IN SERVICES GUARANTEE HAPPINESS, REPLACEMENT / REFUND? IT'S YOUR CALL COMPATIBLE WITH PRINTERS: HP LaserJet Pro 400 M401a M401d M401n M401dn M401dne M401dw, LaserJet Pro 400 MFP M425dn M425dw