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The fabric is
wrinkled.
The presser foot you are using is not
appropriate for the type of stitch that
you want to sew.
Attach the presser foot that is correct
for the type of stitch that you want to
sew.
page 73
The thread tension is incorrect. Adjust the tension of the upper thread. page 41, 85
Stitches are
skipped.
You have not threaded the upper
thread properly.
Correct the upper threading. page 22
You have not used the right
combination of fabric, thread and
needle.
Choose a thread and needle that are
appropriate for the type of fabric.
page 28
The needle is bent or blunt. Replace the needle.
page 29
The needle is incorrectly installed. Correctly install the needle.
Dust has accumulated under the
needle plate or in the bobbin case.
Remove the needle plate cover and
clean the plate and the bobbin case.
page 78
There is a high-
pitched noise
while sewing.
Dust has built up in the feed dogs or
in the bobbin case.
Remove the needle plate cover and
clean the plate and the bobbin case.
page 78
You have not threaded the upper
thread properly.
Correct the upper threading. page 22
The bobbin case is scratched.
Replace the bobbin case.
Contact your retailer or the nearest
authorized service center.
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You have not used bobbin that has
been designed for this machine.
Incorrect bobbins will not work
properly. Only use a bobbin that has
been designed for this machine.
page 14
The fabric does
not feed.
The feed dogs are lowered.
Slide the feed dog position lever to .
page 55, 65
The stitch is too fine. Lengthen the stitch length. page 38
You have not used the right
combination of fabric, thread and
needle.
Choose a thread and needle that are
appropriate for the type of fabric.
page 28
The thread is tangled, for example,
in the bobbin case.
Remove the tangle thread. If the
thread is tangled in the bobbin case,
clean the bobbin case.
page 78, 82
The presser foot you are using is not
appropriate for the type of stitch that
you want to sew.
Attach the presser foot that is correct
for the type of stitch that you want to
sew.
page 73
The needle is bent or blunt. Replace the needle. page 29
Zigzag foot “J” is slanted on a thick
seam at the beginning of stitching.
Use the presser foot locking pin
(black button on the left side) on
zigzag foot “J” to keep the presser
foot level while sewing.
page 43
The fabric feeds
in the opposite
direction.
The feed mechanism is damaged.
Contact your retailer or the nearest
authorized service center.
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Symptom Possible cause How to put it right Reference