Double or four ink heads as a standard configuration to realize the high speed plotting. Economical, high efficiency, high speed, high accuracy. Features: Easy to install and operation The date communication is through USB cable and LAN cable, two kinds of optional data transmission it is more convenient .With popular HP technology is easy for maintenance. HP inkjet head with HP technology is easy to change Compatibility is good with all popular HP-GL format files. Automatic inkjet carriage cleaning Simplified structure to reduce mechanical stress and insure maintenance easily. Auto alarm when paper jam and paper runs out Infrared sensor is new & stable technology and keeps machine feeding and receiving paper exactly! Servo motors keep the machine working in accuracy and prolong machine life.