62
Mechanical Adjustment
Replacing Printed Circuit Board S2
z
Remove the Y-carriage cover (lower) (refer to pages 51-
52).
Remove the setscrew
q
.
Disconnect the connector and flexible cable from the
printed circuit board S2.
Remove the printed circuit board S2.
q
Replacing Y-sensor
• Removing Y-sensor
z
Remove the Y-carriage cover (lower) (refer to pages 51-
52).
Disconnect the connector
q
from the printed circuit board
S2
w
.
x
Pry up the lock tab of the connector with a precision driver
and pull out the red
e
, orange
r
and brown
t
.
c
Remove the setscrew
y
.
Remove the Y-sensor.
q
w
ert
y
• Attaching Y-sensor
z
Adjust the Y-sensor height so the shielding plate
u
should
be positioned at the middle of the sensor
i
as illustrated.
Tighten the setscrew
y
to attach the Y-sensor.
Insert the cords
e
,
r
and
t
to the connector.
Plug the connector to the printed circuit board S2.
x
Attach the embroidery unit to the MC12000.
Insert the machine plug into the power inlet.
Insert the power supply plug into the wall outlet and turn
the power switch on.
c
The embroidery unit carriage position is initialized.
The range A (between the edge of Y-carriage LM guide
and the edge of carriage) should be 13.5 mm.
If not, turn the setscrew
o
and adjust the Y-sensor
position.
If the range A is larger than 13.5 mm, move the Y-sensor
set plate in the direction of “B”.
If the range A is smaller than 13,5 mm, move the Y-sensor
set plate in the direction of “C”
Initialize the embroidery unit again and be sure the range
between A and B is in the range of 10.1 mm to 11.1 mm. If
not, repeat the procedure and adjust the range again.
13.5 mm
i
u
o
A
C
B