JUKI LK-1900AN Engineer's Manual page 76

6) CP-6 (work clamp foot/thread trimmer motor/origin sensor check)
Inching operation of the work clamp foot/thread trimmer motors, operation of origin retrieval, and the status of
origin and thread trimmer sensors are displayed.
1. Preparation
In the first place, the
After operation for preparation, the sewing LED is turn on.
2. Operation
According to the status of the thread trimmer sensor, "0" or "1" is displayed.
According to the status of the work clamp foot origin sensor, "0" or "1" is displayed.
Origin retrieval of the work clamp foot/
thread trimmer motors is carried out by
the use of the Start SW.
7) CP-7 (Needle thread clamp motor / origin sensor check)
Inching operation of the needle thread clamp motor, operation of origin retrieval, and the status of needle
thread clamp origin sensor and needle thread clamp sensor are displayed.
1. Operation
According to the status of the needle thread clamp sensor, "0" or "1" is displayed.
According to the status of the needle thread clamp origin sensor, "0" or "1" is displayed.
Origin retrieval of the needle thread clamp mo-
tor is carried out by the use of the Start SW.
key is pressed to carry out origin retrieval of needle thread clamp.
Using the
mer motors are driven in the directions of +/- for each pulse.
Using the
driven to each specified position.
1 Work clamp foot rising position
2 Work clamp foot lowering position
(lowering position during pedal operation)
3 Thread trimmer position
4 Work clamp foot lowering position
(lowering position after thread trimming)
5 Wipe-out position
Driving in reverse rotation is conducted when the
pressed with the
(Caution) This feature is available after the completion of
Using the
is driven in the directions of +/- for each pulse.
Using the
each specified position.
1 Standby position (front side)
2 Needle thread bending position
3 Needle thread clamp position
4 Refuge position (rear side)
(Caution) This feature is available after the completion of
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and keys, the work clamp foot/thread trim-
key, the work clamp foot/thread trimmer motor is
key kept pressed.
origin retrieval of the work clamp foot/thread
trimmer motors with the Start SW.
and keys, the needle thread clamp motor
key, the needle thread clamp motor is driven to
origin retrieval of the needle thread clamp motor
with the Start SW.
key is