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3-22
SRW-5000/5500
Threading ring
Threading end sensor
Threading motor
Unthreading end sensor
In case of NG
.
Check the mechanical abnormality.
.
Check the threading motor driver circuit on the DR-508 board.
.
Check the threading motor.
.
Check the threading end sensor or unthreading end sensor on the TR-120 board.
.
Check the sensor input port of MPU (IC801 on the SS-95 board).
Locations of Threading End and Unthreading End Sensors