Turn - Minolta Di620 Troubleshooting Manual

6) C0072 : Main Hopper Toner Replenishing Motor M9's Failure to Turn
Main Hopper Toner Replenishing Motor M9
Toner Bottle Home Position Sensor PC4
C0072
Step Check Item
1 Manually turn the Toner Bottle a half turn
and then close the Upper Front Door.
Does the Toner Bottle turn at this time?
2 Does the voltage across PJ2A-10A on
PWB-A and GND change from DC24V to
DC0V when step 1 is performed once
again?
3 Does the voltage across PJ30-3 and PJ30-
4 on PWB-O change from 0V to AC12V
when step 1 is performed once again?
4 Is PC41 fully operational?
Does the voltage across PJ2A-5A on PWB-
A and GND change from DC5V to DC0V
when step 1 is performed once again?
Relevant Electrical Parts
Master Board PWB-A
Toner Replenishing Motor Control Board PWB-O
Result
NO Check for overloads and then check step
4.
NO Change PWB-A.
NO Change PWB-O.
YES Change PWB-A or M9.
NO Change PC4.
T-46
1155C09TAB
Action