K5

1.can't feed and retract， check reason：

https://youtu.be/NkqWGPfJY14‍

2.feed not good during printing， check reason：

https://youtu.be/Rcb5woas2Kk‍

3.Can not feeding and retract, nozzle is hot, the filament stuck into gear：

https://www.youtube.com/watch?v=foyYLOC7L5o‍

Universal product：NANO, NANO Plus, Minnie, K5

4.Can not feeding, nozzle is hot, E motor broken, replace E motor video:

https://www.youtube.com/watch?v=d24x4KfrgYI&t=78s‍

Universal product：NANO, NANO Plus, Minnie,K5

5.When feeding , light not flash,   nozzle not heating up, Nozzle replace video:

https://www.youtube.com/watch?v=W7arsOrbl10&t=34s‍

Universal product：NANO, NANO Plus, Minnie,K5

6.Extruder whole set replace video:

https://youtu.be/7w2xRKyZkKg

Universal product：NANO, NANO Plus, Minnie,K5