Brother Quattro 2 6700D Operation Manual page 347

Problem
Fabric does not feed Feed dogs are set in the down position.
through the machine
Stitches are too close together.
Wrong presser foot was used.
Needle is turned, bent or the point is dull.
Thread is entangled.
Fabric puckers There is a mistake in the upper or bobbin
threading.
Using improper needle or thread for the
selected fabric.
Thread tension is set incorrectly.
Stitches are too long when sewing thin fabrics.
Needle is turned, bent or the point is dull.
Spool cap is set incorrectly.
Wrong presser foot.
High-pitched sound Dust or lint is caught in the feed dogs.
while sewing
Pieces of thread are caught in the race.
Upper threading is incorrect.
There are scratches on the race.
A bobbin designed specifically for this machine
is not used.
Character pattern Wrong presser foot was used.
does not turn out
Pattern adjustment settings were set incorrectly. Revise the pattern adjustment settings.
Did not use a stabilizer material on thin fabrics
or stretch fabrics.
Thread tension is set incorrectly.
Fabric was pulled, pushed or fed at an angle
while it was being sewn.
Cause
Press
raise the feed dogs.
Lengthen the stitch length setting.
Use the correct presser foot.
Replace the needle.
Cut the entangled thread and remove it from
the race.
Check the steps for threading the machine
and rethread it correctly.
Check the "Fabric/Thread/Needle
Combination" chart.
Adjust the thread tension.
Shorten the stitch length.
Replace the needle.
Check the method for attaching the spool cap,
then reattach the spool cap.
Use the correct presser foot.
Remove the dust or lint.
Clean the race.
Check the steps for threading the machine
and rethread the machine.
Replace the race, or consult your authorized
dealer.
Incorrect bobbins will not work properly. Only
use a bobbin designed specifically for this
machine.
Attach the correct presser foot.
Attach a stabilizer material.
Adjust the thread tension.
Sew while guiding the fabric with your hands
so that the fabric is fed in a straight line.
TROUBLESHOOTING
Solution
, and then turn the handwheel to
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79
"STITCH SETTING
CHART"
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"STITCH SETTING
CHART"
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57
338
54
"STITCH SETTING
CHART"
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79, 233
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