1. First, before opening the bag feeding and packaging machine, use the manual device for trial operation. If all mechanisms work normally, open the control cabinet, turn on the main power supply, and start the vacuum pump and air pump.

2. Secondly, check whether the electronic scale bin is stocked. If there is no material, start the material conveying system to feed.

3. Finally, click the touch screen user login interface to enter the operation interface, set the main motor speed, and click the PLC "Manual Operation" interface. You can see bag suction, bag taking, upper bag opening, lower bag opening, bag holding, blowing, feeding, exhaust, heat sealing and heat sealing.