Minolta Di450 Service Manual page 452

(7) C0072: Main Hopper Toner Replenishing Motor's failure to turn
C0090: Developing Unit Drive Motor's failure to turn
Toner Bottle Home Position Sensor (PC21)
Developing Unit Drive Motor (M1)
Main Hopper Toner Replenishing Motor
(M13)
M1
M14
M13
PC21
Relevant Electrical Parts
PJ101
4
3
2 DC24V
1
CN10
GND
CN114
1 2
2 1
CN113
1 2
2 1
CN37
PJ21
3 1 3
2 2 2
1 3 1
T-44
Sub Hopper Toner Replenishing Motor
(M14)
Master Board (PWB-A)
PWB-A
PJ7A-7A(M1 LOCK)
PJ7A-6A(M1 START)
1 1
2 2
3 3
PJ7A-1B(DC24V)
4 4
PJ7A-2B(M14 ON)
24 24
PJ11A-1(M13+)
PJ11A-2(M13-)
PJ11A-3(DC5V)
PJ11A-4(GND)
PJ11A-5(PC21 HOME)
4002C11TAA