Renewable Toner Compatible MICR Toner Cartridge High Yield Replacement HP 55X CE255X for LaserJet P3010 P3015 P3016 M521 M525 MFP DEPENDABLE CHECK PRINTING. RT MICR Cartridge Replacement for HP 55X / HP CE255X SUPERIOR QUALITY. The RT Compatible HP 55X MICR Cartridge contains high quality magnetic toner that guarantees bank acceptance OEM #: HP 55X / HP CE255X | Yield 12.5k standard page; prints 37.5k checks @ 3 per page For use in HP LaserJet Enterprise Printers: P3010 / P3015 / P3015d / P3015dn / P3015n / P3015x / P3016 / M521dn / M521dw / M521dwk / M525c / M525dn / M525f MFP LIFETIME WARRANTY: we always honor warranty, even if the Amazon return window has closed