Brother Z-8550A, Service Manual

Page: 31 / 128

Z-8550A, 8560A
3. FUNCTION SETTINGS
22
3-8. Needle zigzag home position adjustment procedure
OPERATION PROCEDURE
1
While pressing the [zigzag width/zigzag reference line position] key on the operation panel, turn on the power switch
(1).
2
Move the needle bar to the needle up stop position, and then press and hold the RESET key for 2 seconds or more.
Home position detection will be carried out, and then the needle bar
will stop at the currently-recorded position.
After detection is complete, the [orG] display will stop flashing and
illuminate steadily.
* If [Err 200] appears, it indicates that there is a problem with the
needle zigzag motor home position.
* If [UP] appears, turn the pulley by hand to move the needle bar to
the needle up stop position, and then press the RESET key once
more. Home position detection will be carried out.
3
Use the home position checking tool, and press the [
U
/
V
] keys to change the offset value (-50 - 50) so that the
needle is at the home position.
The needle bar will move in accordance with the setting value.
When the setting has been changed, the [orG] display will change
from illuminated to flashing.
4
Move the needle bar to the needle up stop position, and then press the RESET key.
Home position detection will be carried out.
After detection is complete, the [orG] display will stop flashing and
illuminate steadily.
* If [UP] appears, turn the pulley by hand to move the needle bar to
the needle up stop position, and then press the RESET key once
more. Home position detection will be carried out.
5
Repeat steps 3 and 4 to set the needle to the home position.
6
Press the TEST key.
The [TEST] display and the [zigzag width/zigzag reference line
position] indicator will switch off.
The setting will be written to the machine head memory and
adjustment mode will be exited.
NOTE:
If the TEST key is pressed while [orG] is flashing, [Err 202] will appear.
Press the TEST key once more to exit adjustment mode. Repeat the procedure from step 3.
0187B
0183B
0186B
0185B
0186B
The offset value will be displayed.
(Initial setting is “0”)