Automatic Thread Cutter - Janome MC400E Service Manual

The distance between the end of thread cutter plate slit and the edge of moving cutter
should be in the range of 0.8 to 1.6 mm.
End of thread cutter plate slit
Edge of moving cutter
0.8 to 1.6 mm
A
Sensor plate
B
Setscrew (A) Thread cutter base plate
Automatic Thread Cutter Adjustment
Moving cutter
To check:
1. Remove the front and rear cover (refer to pages 4 and
5).
2. Turn the power switch OFF. Slide the moving cutter to
the right with your finger.
3. Turn the power switch ON.
The moving cutter motor is initialized, and moving
cutter moves to its home position automatically.
4. The distance between the edge of moving cutter and
the end of thread cutter plate slit should be 0.8 to 1.6
mm.
If not, follow the procedure below.
To adjust:
1. Loosen the setscrew (A) on the sensor plate.
2. Adjust the distance between the end of thread cutter
plate slit and the edge of moving cutter to 1.2 mm by
moving the sensor plate in the direction of A or B.
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MC450e