Scrap Conveying & Dust-precipitating system is mainly composed of Belt Conveyor, Trim Blower, Wind Pipe, Printer Dust Pipe, Automatic Baler, Cyclone Separator, Pulse Bag Filter. The best integration principle is as follows: 1. The waste paper collection point shall be as close as possible to the Baler; 2. Try to avoid using Trim Blower to reduce a lot of power consumption, eliminate noise and reduce dust. 3. The printing machine paper dust can be collected into the Pulse Bag Filter.