Troubleshooting Procedures By Malfunction Code; C0000: Fusing Motor's Failure To Turn C0010: Pc Drum Drive Motor's Failure To Turn - Minolta Di450 Service Manual

4-2.

Troubleshooting Procedures by Malfunction Code

(1) C0000: Fusing Motor's failure to turn
C0010: PC Drum Drive Motor's failure to turn
Fusing Motor (M2)
PC Drum Drive Motor (M21)
C0000
Step
1 Fusing Motor turns when the Start key is
pressed.
2 Fusing Motor rotation: the voltage across
PJ7A-1A on Master Board and GND is DC5V
(motor deenergized) and DC0V (motor ener-
gized) when the Start key is pressed.
3 Fusing Motor rotation: the voltage across
PJ7A-2A on Master Board and GND is DC5V
(motor deenergized) and DC0V (motor ener-
gized) when the Start key is pressed.
C0010
Step
1 PC Drum Drive Motor turns when the Start key
is pressed.
2 PC Drum Drive Motor rotation: the voltage
across PJ7A-3A on Master Board and GND is
DC5V (motor deenergized) and DC0V (motor
energized) when the Start key is pressed.
3 PC Drum Drive Motor rotation: the voltage
across PJ7A-4A on Master Board and GND is
DC5V (motor deenergized) and DC0V (motor
energized) when the Start key is pressed.
Relevant Electrical Parts
Master Board (PWB-A)
PJ121
5
4
M21
3
2
1
PJ102
4
3
M2
2
1
GND
Check
Check
T-36
PWB-A
PJ7A-5A(M21 FR)
PJ7A-4A(M21 LOCK)
PJ7A-3A(M21 START)
PJ7A-2A(M2 LOCK)
PJ7A-1A(M2 START)
DC24V
4002C08TAA
Result
NO Correct drive coupling.
NO Change Master Board.
YES Change Master Board.
NO Change motor.
Result
NO Correct drive coupling.
NO Change Master Board.
YES Change Master Board.
NO Change motor.
Action
Action