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