- Please close the nozzle through the operation of software, and then remove the nozzle to leave the printing model.
- Please remove filament from the nozzle to prevent further blockage.
- Please clean the remainder plastic of nozzle. This is video link of how to clean nozzle in Google: https://www.youtube.com/watch?v=MZnLC9WvUQ8
- Please open the nozzle to work, the filament inside nozzle would automatically eject after melt.
- Please add new filament in the nozzle.
Note: firstly remove the filament from the nozzle, and then, open the nozzle to heat, otherwise it will lead to more stringent blockage.