5-51
Troubleshooting
E3-10: High voltage power supply leak (1)
When a leak is detected from the high voltage power supply charge/transfer corona.
Is the charge/transfer corona dirty? YES Clean the charge/transfer corona.
NO
Does the ground terminal float YES Tighten screw(s) on the ground terminal of
from the copier frame? HVPS PCB or HVPS bracket.
NO
.
CPU PCB is defective.
E3-11: High voltage power supply leak (2)
When a leak is detected from the high voltage power supply separation corona.
Is the separation corona dirty? YES Clean the separation corona.
NO
Does the ground terminal float YES Tighten screw(s) on the ground terminal of
from the copier frame? HVPS PCB or HVPS bracket.
NO
.
CPU PCB is defective.
E3-20: Main motor rotation
When the main motor is turned ON/OFF, the signal
is/not detected.
Does the main motor rotate during YES Main motor connector is shorted or broken.
copier warm up? CPU PCB is defective.
NO
Is voltage detected at the LVPS NO Main motor is defective.
CN852-1 ?
YES
LVPS is defective.