Adjusting Buttonhole Lever Position - Janome 4300QDC Service Manual

adjusting buttonholE lEvEr Position

to adjust thE buttonholE lEvEr guidE:
1. Enter the diagnostic test of buttonhole sensor mode. (See page 18 and 19. The LCD should display 03 and
BH symbol.)
2. Remove the face cover (see page 4) and loosen the setscrew q.
3. Move the buttonhole lever guide so the BH symbol disappear when the button hole lever r is lowered.
Tighten the setscrew.
to adjust thE buttonholE sEnsor Position.
4. Attach the buttonhole foot (R) e.
5. Lower the buttonhole lever r to its lowest position and open a 1.6 mm gap between the slider and the
buttonhole foot.
6. Turn the adjusting screw t to the left until the LCD display BH symbol.
7. Next, turn the adjusting screw to the right until the BH symbol disappears.
8. Turn off the power switch.
9. Attach the face cover.
notE: If there is any lint or dust in the buttonhole sensor slit, loosen the 2 screws y and clean it out with a swab.
to EntEr adjusting modE
r
e
mEChaniCal adjustmEnt
w
q
y
27
y
BH sensor
t
1.6 mm gap