The general rule when it comes to thread loops is that the threading of the opposite side of the loops is the cause of loops. Thread looping on the underside of the fabric is an indicator that the upper thread is not correctly threaded through the tension mechanism.
To resolve this, remove your upper thread and rethread your machine. Below is a guide for most Janome and Elna model. Please refer to your instruction manual for further details:
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CAUTION: Turn OFF the power switch before threading the machine. |