BERNINA Jeff how to fix a thread jam nest avoid cutter damage 7 5 4 series black bobbin new items
27:10
All The Best Tips: Jams, Errors & Oil DYI Fixes Bernina 7, 5 & 4 series with Bernina Jeff
11:48
How to oil Sewing machines black bobbin Bernina Jeff 7 5 4 Series fast easy way approved Sew Tech
4:00
Bernina recovering from broken thread
26:44
Sewing Machine Problems: The Most Common Issues
6:23
Bernina Jeff error messages out of thread upper or bobbin out but it’s full how to fix in settings
11:18
How to test upper thread tension DIY quick fix Bernina Jeff why thread loops nests under fabric sew
12:56
Bobbin Errors How to Fix Monitor, Cleaning, Winding, Adjust on Bernina 7 & 5 series Bernina Jeff
28:57