The filament cannot be fed out from the extruder
Please heat up the nozzle to 200 degrees and then load the filament on dispaly.Please kindly open the extruder and check......Details
The model printed in different directions.
Kindly check the X, Y-axis Synchronous wheel, and idler wheel whether they are broken or not.Please check the belt wheth......Details
First layer cannot stick on heating bed well
Please relevel the heating bed. ...Details