WillAdams
(William Adams (Carbide 3D))
2
Check your Z-axis — are the linear slides clean and well-lubricated?
See:
Are the Z-axis motor wiring and connectors all in good condition and securely connected?
Do you or a friend have a multimeter to check them for continuity through the full range of machine motion?
If you don’t find anything obvious to correct, let us know at support@carbide3d.com and we’ll do our best to assist.