1.can't feed and retract， check reason：
https://youtu.be/zvF3hFyHKZ8
2.feed not good during printing， check reason：
https://youtu.be/ZpOHLHtIk6g
3.EasyThreed K mini series, Can not feeding and retract, nozzle is hot, the filament stuck into gear.
https://youtu.be/eWcxQANLfZE
Universal product： K1, K1plus, K2, K2plus, K3, K3plus, K4,K4plus
4.EasyThreed K mini series, Can not feeding, nozzle is hot, E motor broken, replace E motor video:
https://youtu.be/uSYiUDjmlIE
Universal product： K1, K1plus, K2, K2plus, K3, K3plus, K4,K4plus
5.EasyThreed K mini series, When feeding , light not flash, nozzle not heating up, Nozzle replace video:
https://youtu.be/P86AKkMqJ7M
Universal product： K1, K1plus, K2, K2plus, K3, K3plus, K4,K4plus
6.EasyThreed K mini series, X axis not move, X motor replace video
https://youtu.be/ddkcch8Po5E
Universal product： K1, K1plus, K2, K2plus, K3, K3plus, K4,K4plus
7.EasyThreed K mini series, Y axis not move, Y motor replace video:
https://youtu.be/vlXckt7eYmw
Universal product： K1, K1plus, K2, K2plus, K3, K3plus, K4,K4plus
8.EasyThreed K mini series, Z axis not move, Z motor replace video:
https://youtu.be/cLoZZxdjqEs
Universal product： K1, K1plus, K2, K2plus, K3, K3plus, K4,K4plus
9.EasyThreed K mini series, X direction print shift , X belt too loose or too tight, X belt adjustment video:
https://youtu.be/9YsziWRM0EE
Universal product： K1, K1plus, K2, K2plus, K3, K3plus, K4,K4plus
10.EasyThreed K mini series, Y direction print shift , Y axis belt too loose or too tight, Y belt adjustment video:
https://youtu.be/5KUxKW5NGMw
Universal product： K1, K1plus, K2, K2plus, K3, K3plus, K4,K4plus
11.EasyThreed K mini series, Z axis belt too loose or too tight, Z belt adjustment video:
https://youtu.be/JU64F7d2XQE
Universal product： K1, K1plus, K2, K2plus, K3, K3plus, K4,K4plus
12.EasyThreed K mini series, X axis belt come off, re-install video:
https://youtu.be/KWMUUVH3Tf0
Universal product： K1, K1plus, K2, K2plus, K3, K3plus, K4,K4plus
13.EasyThreed K mini series, Y axis belt come off, re-install video:
https://youtu.be/jNcSitbIMNE
Universal product： K1, K1plus, K2, K2plus, K3, K3plus, K4,K4plus
14.EasyThreed K mini series, Z axis belt come off, re-install video:
https://youtu.be/TGUvQEgos10
Universal product： K1, K1plus, K2, K2plus, K3, K3plus, K4,K4plus
15.EasyThreed K mini series, Button no function, and online printing not work as well, motherboard dead , motherboard replace video:
https://youtu.be/iO9c_Hsz5KA
Universal product： K1, K1plus, K2, K2plus, K3, K3plus, K4,K4plus
16.EasyThreed K mini series, Feeding has problem, Extruder set replace video:
https://youtu.be/v0zqibPesfs
Universal product： X1,X2,X3,X4,X2plus, X4 plus, K1, K2,K3,K4,K1plus, K2plus, K3plus,K4plus, K7,K8
