Minolta EP1085 - C0070: Toner Replenishing Motors Failure to Turn C0071: Toner Replenishing Motor Turning at Abnormal Timing

FrameMaker Ver.5.5(PC) EP1054/EP1085/EP2030 TROUBLESHOOTING
98.05.15
T- 4 2
(4) C0070: Toner Replenishing Motor's failure to turn
C0071: Toner Replenishing Motor turning at abnormal timing
Symbol Name
PC112
M8
PWB-A
Toner Hopper Home Position Sensor
Toner Replenishing Motor
Master Board
Step Check Item Result Action
1 Is C0071 being shown? YES Begin with step 3.
2
Does the Toner Bottle turn when two
orthreecopiesaremadewiththe
Original Cover raised?
YES Perform step 3.
NO
Perform step 4.
3
Make two or three copies with the
Original Cover raised. Does the voltage
across PJ17A-2B on PWB-A and GND
change to DC0V when the Toner Bottle
is stopped and to DC5V when the Bottle
is turned during the copy cycle?
YES Replace PWB-A.
NO
Check the Bottle Holder or PC112.
4
Make two or three copies with the Origi-
nal Cover raised. Does the voltage
across PJ5A-6A on PWB-A and GND
change to DC0V when the Toner Bottle
is stopped and to DC24V when the Bot-
tle is turned during the copy cycle?
YES Replace M8.
NO
Replace PWB-A.
1174C28TAA