Midtronics IR/RS232 Thermal Printer Midtronics compact and lightweight portable thermal printer with an infrared interface compatible with HP IR format in a new elegant enclosure.Designed for maximum versatility, the printer is compatible with existing systems while allowing many upgrades in terms of printing speed and functionality. It is powered from four Nickel-Metal Hydride AA batteries and has maintenance free operation only available with thermal printers Infra-Red (HP IR, IrDA) and RS232 interfacesHigh-speed, high resolution printing capabilityQuiet, non-impact systemMaintenance-freeCompact and lightweightHigh reliability line head mechanismVersatile for use with text or graphics12, 16, 24 (default), 32 or 48 characters per lineBarcode capabilityAuto offSupports labels and dual ply paperIntegral Magnetic ClampingInterface - RS232 + flash upgrade capabilityStandard 58mm paper roll compatible