MICR Toner International CF226A MICR Toner Cartridge for Check Printing on HP M402dn, M402n, M402dw; MFP M426fdn, M426fdw DEPENDABLE CHECK PRINTING. MTI MICR Cartridge Replacement for HP CF226A 26A 1 PK New Magnetic Ink Cartridge for Check Printing | Yield: 3,100 Pages REPLACES OEM #: OEM Part #: HP CF226A 26A COMPATIBLE Printer models: HP LaserJet M402dn M402n M402dw MFP M426fdn M426fdw LIFETIME WARRANTY. MTI MICR Cartridges come with a lifetime manufacturer warranty. Contact us directly if the Amazon return window has closed.