Renewable Toner Compatible MICR Toner Cartridge High Yield Replacement for TROY 02-81351-001 HP CE390X 90X for use in M601 M602 M603 M4555 DEPENDABLE CHECK PRINTING. RT replacement MICR toner for HP 90X / CE390X | TROY 02-81351-001 SUPERIOR QUALITY. Our superior blend of magnetic toner for check printing guarantees bank acceptance High Yield: 24k Pages; prints 72k checks @ 3 per page For use in Troy & HP LaserJet Enterprise Printers: M4555f, M4555fskm, M4555h, M4555, M602dn, M602n, M602x, M603dn, M603n, M603xh MFP LIFETIME WARRANTY: we always honor our warranty, even if the Amazon return window has closed