Service manual

T- 6 3
(17) C0D50: Duplex Horizontal Transport Motor malfunction
C0D50
Relevant Electrical Parts
Horizontal Transport Motor (M131) Control Board (PWB-A)
Step Check Result Action
1 Horizontal Transport Motor turns when the
Start key is pressed.
NO Correct drive coupling.
2 Horizontal Transport Motor rotation: the voltage
across PJ12A-5 on Control Board and GND is
DC5V (motor deenergized) and DC0V (motor
energized) when the Start key is pressed.
NO Change Control Board.
3 Horizontal Transport Motor rotation: the voltage
across PJ12A-7 on Control Board and GND is
DC5V (motor deenergized) and DC0V (motor
energized) when the Start key is pressed.
YES Change Control Board.
NO Change motor.
PJ25
M131
7
6
5
4
3
2
1
10
9
10
9
88
77
66
55
44
1212
1111
1
2
3
CN8
1
2
3
PWB-A
(Cabinet)
PJ12A-13(GND)
PJ12A-12(DC5V)
PJ12A-10(GND)
PJ12A-9(DC24V)
PJ12A-8(M131 CLK)
PJ12A-7(M131 LOCK)
PJ12A-5(M131 REM)
PJ12A-1(GND)
4002C25TAA