LCP Q6511A MICR for HP 2420 HP 2430 MICR TonerHP 2420 MICR Toner HP 2430 MICR Toner Q6511A Print your own checks with our compatible HP 2420 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 2430 MICR Toner is an economical cartridge that delivers excellent print value. This HP Q6511X MICR Toner