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Trouble Case (1) Case(2) Check and Corrective measures Page
From the previous page
Increase the presser foot pressure.
Set it for stretching. When stretching light-weight
materials, be careful not to cause the presser foot to
contact unevenly with the materials.
Bring the thread cam thread guide fully to the front to
increase the amount of looper thread.
Presser foot pressure
Differential feed ratio
Thread amount
The presser foot pressure is not high enough, providing
poor ironing effect.
The differential feed ratio has been set for gathering.
The looper thread amount is not enough, causing
excessively tensed stitches.
26,28
62
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