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3-14. Adjusting the material edge detector
WARNING :
When adjusting the sensor, neither put your hand close to the needle entry area nor put your foot on
the pedal in order to protect against injuries.
❶
A
B
Material is
present
min
A
Material is
absent
❷
max
– 17 –
Material edge detector ❶ detects the presence /
absence of the material at the beginning and end of
sewing.
When the material is present, the green LED (A) and
the orange LED (B) light up at all times.
When the material is absent, only the green LED (A)
lights up.
The detecting device of the sewing machine has
been factory-adjusted at the time of shipment so
that it detects the presence / absence of the material
without additional adjustment. However, the detect-
ing device may fail to detect the material properly
depending on the type of material used.
In such a case, adjust the detecting device of the
sewing machine by turning control knob ❷ .
[Adjustment procedure]
* The orange LED (B) lights up even when the ma-
terial is not present on the sewing machine.
→ Turn control knob ❷ toward the "min".
* The orange LED (B) goes out even when the ma-
terial is present on the sewing machine.
→ Turn control knob ❷ toward the "max".
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