Buttonhole Lever Guide - Janome JP720 Servicing Manual

Mechanical Adjustment
Adjusting buttonhole lever position
To adjust the buttonhole lever guide:
1. Enter the buttonhole sensor adjusting mode. (See below. The LED should display " H " or " L ".)
2. Remove the face cover (see page 4) and loosen set screw
3. Move the buttonhole lever guide
q
Tighten set screw .
To adjust the buttonhole sensor position.
4. Attach the buttohole foot (R)
5. Lower the buttonhole lever
buttonhole foot.
6. Turn the adjusting screw
7. Next, turn the adjusting screw right until the LED display changes from " H " to " L ".
8. When the gap of the buttonhole foot is 1.4 mm, LED should display " H ". When the gap is 1.8 mm, the
LED should display " L ".
9. Turn off the power switch.
10. Attach the face cover.
Note: If there is any lint or dust in the buttonhole sensor slit, loosen 2 screws
To enter adjusting mode
START
STOP
Turn the power swith ON while pressing
the needle up/down button and start/
stop button simultaneously. (Hold both
buttons down until the LED displays the
adjusting mode.)
r
e
w
so the LED displays " L " when the buttonhole lever is lowered.
e
.
r
to its lowest position and open a 1,6 mm gap between the slider and the
t
to the left until the LED display changes from " L " to " H ".
START
STOP
Press the start/stop button to
select step number " _2 ".
w
q
q .
y
y
y
BH sensor
t
1.6 mm gap
30
and clean it out with a swab.
START
STOP
Press the needle up/down
button.