Why is there a noise from the power supply?
Please kindly check contact our after-sale service. http://oa.3dmingda.cn/SystemFrameWorkV3/Role/Customer.aspx...Details
The profile in SD card cannot be imported into Cura properly.
Please check the nozzle heating cable on motherboard is broken or not....Details
How to replace the filament?
Please kindly check the temperature sensor whether it is not plug very well or it is broken.If there is enviromental tem......Details