TRUE IMAGE HECF280X Compatible Toner Cartridge Replacement for HP CF280X (Black) Premium quality toner with easy to install design Estimated page yield of 6,900 pages @ 5% coverage based on ISO/IEC 19752 (letter/A4 size) Compatible with HP Printers: LaserJet Pro 400 M401a, M401d, M401n, M401dn, M401dne, M401dw, HP LaserJet Pro 400 MFP M425dn, M425dw 1-pack True Image high yield black toner cartridge replaces HP CF280X Warranty: Lifetime 100% satisfaction guarantee