Our CN Max-Filled™ MICR cartridges prints 42% more checks than the VersaCheck MICR toner cartridge offered for the VersaCheck™ B4600nMX printer. Our Max-Filled™ can also be used to print Bank Drafts using CheckNet Software. CN MICR toner shelf life is up to 9.7 years. CN MICR toner cartridges meet American Bankers Association (ABA), American National Standards Institute (ANSI), Canadian Bankers Association and Canadian Payments Association (CPA).