LCP C3909A MICR for HP 8000 MICR, HP 5si MICR TonerC3909A MICR HP 8000 MICR, HP 5si MICR Toner Print your own checks with our HP compatible C3909A MICR Toner. Most HP laser printers can be used as a laser check printer. All you need is a MICR cartridge, check paper, and check printing software. You will be able to print check stubs, print checks in quickbooks and any other check software. This HP 5si MICR Toner is an economical cartridge that delivers excellent print value. This MICR Laser Toner