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Adjusting thread tension
This machine is equipped with automatic
thread tension control, which optimizes the
tension balance for the selected stitch pattern.
“Auto” will be indicated in the thread tension
window
when automatic thread tension control
is applied to the selected stitch pattern.
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Thread tension window
Balanced thread tension
Straight stitch: Both needle and bobbin
threads interlock between the layers.
Zigzag stitch: The needle thread appears
slightly on the wrong side of the fabric.
However, you may need to manually adjust
the tension balance depending on the sewing
conditions, or you can ne-tune the thread
tension to suit your preference.
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Press the “+” key if the tension is too loose.
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Press the “–” key if the tension is too tight.
When manual thread tension control is
applied, “Manual” will be indicated in the
thread tension window.
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Janome MC9900 Instruction Manual
Janome Embroidery Machine
www.aaasewing.com
MC9900 Owners Manual/ User Guide