4. Install extruder cable(14-pin). Open the extruder upper lid, the 14-pin socket will be found. Then
connect the plug and socket, and put on the upper lid.
5. Connect all the power lines to the printer.
Firstly, link the Power adapter (5 V) to the middle socket.
Secondly, link the Power adapter (20 V) to the power line, then connect the 4-pin slug to the socket.
Please note that the flat side of the 4-pin slug which is marked with an arrow should be upturned.