Specifications: Model RP-MJ135 RP-MJ180 RP-MJ220 RP-MJ300 Max. plotting width 138cm 183cm 223cm 303cm Max. paper width 140cm 185cm 225cm 305cm cartridges 24 Receiving paper system Automatic paper receivin Max paper weight 35kg Max plotting speed 72square meters per(two cartridges), 140square meters per(four cartridges) Ink box type HP45 ink box Plot precision 0.025mm Paper 30-120g paper Communication USB port, LAN port Data format HPGL Motor type Servo motor Power AC220V(110V)/50Hz+10% Storage temperature -20-50 Working temperature 0-40.