Fabric puckers

There is a mistake in the upper or bobbin threading.

Check the steps for threading the machine and rethread it correctly.
Refer to How do I install the bobbin wound with thread ? , How do I thread my machine ?
Spool cap is set incorrectly.

Check the method for attaching the spool cap, then reattach the spool cap.
Refer to How do I thread my machine ?
Using improper needle or thread for the selected fabric.

Check the Fabric/Thread/Needle Combinations chart.
Refer to Combination of fabric, thread and needle.
Needle is turned, bent or the point is dull.

Replace the needle.
Refer to How do I change the needle ?
Stitches are too long when sewing thin fabrics.

Shorten the stitch length.
Refer to How do I adjust a stitch width or length ?
Thread tension is set incorrectly.

Adjust the thread tension.
Refer to How to adjust the thread tension.
Wrong presser foot.

Use the correct presser foot.

FAQs & Troubleshooting