When can we use Standard GREEN Marked Bobbin Case?
Use the standard bobbin case (green marking on the screw) when Regular Sewing and Embroidering with the recommended bobbin thread wound on the included bobbins.
The bobbin case originally installed in the machine has a green screw and is Factory adjusted.
Regular sewing
Embroidery
Green
OK
OK
(For Brother recommended bobbin thread)
Pink
or no marking
NG
OK
(For when more tension is needed,
depending on the thread)