The extruder, X- axis and heating bed are shaking.
Please kindly check the X axis whether it is moving smooth.Check the extruder whether it is shake or not....Details
The filament stop feeding out during printing
Please print another model.Please change another nozzle.Please change the filament....Details
The model cannot stick on the platform
Please level the printer again.Heat up the heating bed temperature.Add raft in the Cura setting....Details
The extruder is clogged.
Please kindly check this link.https://youtu.be/hlQG7ACcwW0...Details
Heating cable problem
The heating cable is broken, please contact after-sale service for replacement....Details