The Star HSP7643 features a high accuracy, high speed MICR Reader with one-pass MICR and check franking. The HSP7643 also features fast 250mm/sec thermal receipt printing, drop-in paper loading, the ability to print high quality graphics and quickly endorse and validate documents. Part Details: HSP7643, Thermal Receipt, Validation, 1 pass MICR/Franking printing, USB, Gray, External Power supply. Also known as HSP7643U-24 GRY.