Minolta EP1080 Service Manual page 279

Step Check Item
1 Is C0071 being shown?
Does the Toner Bottle turn when two or
2 three copies are made with the Original
Cover raised?
Make two or three copies with the
Original Cover raised. Does the
voltage across PJ2A-7 on PWB-A and
3 GND change to DC0V when the Toner
Bottle is stopped and to DC5V when
the Bottle is turned during the copy
cycle?
Make two or three copies with the
Original Cover raised. Does the
voltage across PJ2A-10 on PWB-A
4 and GND change to DC0V when the
Toner Bottle is stopped and to DC24V
when the Bottle is turned during the
copy cycle?
Result Action
YES Begin with step 3.
YES Perform step 3.
Perform step 4.
NO
YES Replace PWB-A.
Check the Bottle Holder or PC112.
NO
YES Replace M8.
Replace PWB-A.
NO
T-47