Microswitches
The following microswitches are used in various parts of this copier.
Wiring for the NO Type
Red
Yellow
NC (Normally-Closed) : Current flows between NC and COM when the actuator is open.
NO (Normally-Open) : Current flows between NO and COM when the actuator is closed.
COM (Common) : Common contact for NC and NO
Out-of-Adjustment (When the actuator is closed)
•
If the gap between the switch and actuator is too big, current does not at times flow to NC or NO.
•
If there is no gap between the switch and actuator, the actuator is bent or the switch can be
broken.
Wiring for the NC Type
Red
Blue
0.1 mm to
0.5 mm
NC
NO
COM
Actuator
The gap between the switch and actuator should be 0.1
mm to 0.5 mm when the actuator is closed.
Requirement
3-3. ADJUSTMENTS OF SWITCHES
D-45