Kyocera Mita KM-4530 Service Manual page 172

Code Contents
C5500 Drum surface potential sensor prob-
lem 1
Drum surface potential sensor output
voltage is 0.5 V or less when MC REM
signal is turn on. (except during step-
ping control)
C5510 Drum surface potential sensor prob-
lem 2
Drum surface potential sensor output
voltage is 4.5 V or less when MC REM
signal is turn on. (except during step-
ping control)
C5600 Drum surface potential problem 1
• Maximizing the grid output cannot set
the potential.
Causes Check procedures/corrective measures
Poor contact in Reinsert the connector. Also check for con-
the drum surface tinuity within the connector cable. If none,
potential sensor repair or replace the cable.
connector termi-
nals.
Defective drum Replace the drum surface potential sensor.
surface potential
sensor.
Defective engine Replace the engine PCB and check for
PCB. correct operation.
Defective high Replace the high voltage transformer PCB
voltage trans- and check for correct operation.
former PCB.
Defective drum Replace the drum surface potential sensor.
surface potential
sensor.
Deteriorated main Check the main charger wire and replace it
charger. if necessary.
Grid or main Clean the grid or main charger shield if
charger shield is necessary.
dirty.
Defective high Replace the high voltage transformer PCB
voltage trans- and check for correct operation.
former PCB.
Defective engine Replace the engine PCB and check for
PCB. correct operation.
Remarks
2BC/D-1
1-5-28-1 1-5-29