MTI MICR Value Plus HP CF280X (80X) Compatible Toner Cartridge for HP LaserJet Pro 400 MFP M401, M401n, M401dn, M401dw, M425dn printers Magnetic Toner for Check Printing. Replaces OEM Part #: HP CF280X | Yield: 6,900 pages ea HP LaserJet Pro 400 MFP M401, M401n, M401dn, M401dw, M425dn printers If you do not receive your product in an MTI-branded box, it is not a genuine MTI product. Let Amazon know. MTI's Value Plus line of MICR toner cartridges provides superior quality at a reasonable price