... , left and right moving all use electrical control. 2) Effective working width: 1600mm, 1800mm,2000mm, 2200. ... Paper roll frame working model: Mechanical electrical operation. 2. Paper roll length scope: Max.: 1600mm Min.:900mm3 ... 4units 380V 50HZ* Up and down motor: 2.2KW 1unit 380V 50HZPaper roll up-dolly and rail1) ... wheel, can send the paper roll stably. 2) Rails are installed inside of the floor, ...