Renewable Toner Compatible MICR Toner Cartridge Replacement HP 81X CF281X for Laserjet Enterprise M605 MFP M630 DEPENDABLE CHECK PRINTING. RT MICR Cartridge Replacement for HP 81X / HP CF281X SUPERIOR QUALITY. The RT Compatible HP 81X MICR Cartridge contains high quality magnetic toner that guarantees bank acceptance OEM #: HP 81X / HP CF281X | High Yield 25k standard page; prints 75k checks @ 3 per page For use in HP LaserJet Enterprise Printers: M605X, M605N, M605DN, M606DN, M606X, M630f, M630h, M630z MFP LIFETIME WARRANTY: we always honor warranty, even if the Amazon return window has closed