Kyocera KM-6030 Service Manual page 198

Code
C5600 Drum surface potential problem 1
• Grid voltage at 4.5 V could not deter-
mine the potential.
• Potential adjustment in 30 times could
not raise the potential sensor value to
the predetermined.
C5610 Drum surface potential problem 2
• Grid voltage at 0.3 V could not deter-
mine the potential.
• Potential adjustment in 30 times could
not lower the potential sensor value to
the predetermined.
C6000 Fuser heater lamp break
• The fuser temperature does not
increase for 40 s after the fuser heat-
ers have been turned on for warming
up.
• The fuser temperature remains below
° °
50 C/122 F for 10 s continuously
after the fuser heaters have been
turned on during stabilization.
C6020 Fuser thermistor high-temperature
detection error
• The fuser temperature exceeds 235
° °
C/455 F for 10 s.
• The fuser high-temperature signal is
detected for continous 500 ms.
Contents
Causes Check procedures/corrective measures
Deteriorated main Check the main charger wire and replace it if
charger. necessary (see page 1-6-33).
Grid or main Clean the grid or main charger shield if nec-
charger shield is essary.
dirty.
Defective drum Replace the drum surface potential sensor.
surface potential
sensor.
Defective high volt- Replace the high voltage PWB and check
age PWB. for correct operation.
Defective engine Replace the engine PWB and check for cor-
PWB. rect operation.
Defective drum Replace the drum surface potential sensor.
surface potential
sensor.
Defective high volt- Replace the high voltage PWB and check
age PWB. for correct operation.
Defective drum. Replace the drum (see page 1-6-56).
Defective engine Replace the engine PWB.
PWB.
Installation defec- Check the mounting state of the fuser ther-
tiveness on fuser mistor M and S. If any problem is found,
thermistor M and S. repair it.
Defective fuser Replace the fuser thermostat (see page 1-6-
thermostat. 75).
Installation defec- Check the mounting state of the fuser ther-
tiveness on fuser mistor L, M and S. If any problem is found,
heater L, M or S. repair it.
Broken fuser Check for continuity. If none, replace the
heater L, M and S fuser heater L, M and S (see page 1-6-76).
wire.
Defective engine Replace the engine PWB.
PWB.
Defective AC Replace the AC power source PWB.
power source
PWB.
Installation defec- Check the mounting state of the fuser ther-
tiveness on fuser mistor M and S. If any problem is found,
thermistor M and S. repair it.
Defective fuser Replace the fuser thermistor M and S (see
thermistor M and page 1-6-75).
S.
Defective engine Replace the engine PWB.
PWB.
Remarks
2FB/2FC-4
1-5-37