Brother JX2217 Operation Manual page 23

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■ Upper tension is too tight
Loops will appear on the surface of the fabric.
Note
● If the bobbin thread was incorrectly
threaded, the upper thread may be too tight.
In this case, refer to "Lower threading" on
page 13 and rethread the bobbin thread.
2
1
3
Solution
Reduce the tension by turning the upper tension
control dial to a lower number.
■ Upper tension is too loose
Loops appear on the back of the fabric.
Note
● If the upper thread was incorrectly threaded,
the upper thread may be too loose. In this
case, refer to "Upper threading" on page 15
and rethread the upper thread.
2
1
3
Solution
Increase the tension by turning the upper tension
control dial to a higher number.
5 1 Surface of fabric
2 Back of fabric
4
3 Upper thread
4 Lower thread
5 Loops appear on
surface of fabric
5
1 Surface of fabric
2 Back of fabric
4
3 Upper thread
4 Lower thread
5 Loops appear on back
of fabric
2
22