Minolta DI450, Service Manual, Page: 87 / 271

D-68
3-3. ADJUSTMENT OF SWITCHES
(1) Microswitches
The following microswitches are used in various parts of this copier.
Requirement
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.
NC (Normally-Closed) : Current flows between NC and COM when the actuator is
open.
NO (Normally-Open) : Current flows between NC and COM when the actuator is
closed.
COM (Common) : Common contact for NC and NO.
Blue (NC)
Red (COM)
1136D008AA
Yellow (NO)
Red (COM)
1136D007AA
Wiring for the NO Type Wiring for the NC Type
The gap between the switch and actuator should be
0.1 to 0.5 mm when the actuator is closed.
1074D040AA
Actuator
COM
NC
NO
0.1 mm to
0.5 mm