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ERROR CODE AND TROUBLESHOOTING
8 - 13
C411 Fuser unit related
service call
Thermistor/heater abnormality at power-ON: Thermistor
abnormality is detected at power-ON or the fuser roller
temperature does not rise within a specified period of
time after power-ON.
P. 8-101
C412 Thermistor/heater abnormality at power-ON: Thermistor
abnormality is detected at power-ON or the fuser roller
temperature does not rise within a specified period of
time after power-ON.
P. 8-101
C443 Fuser unit related
service call
Heater abnormality after abnormality judgment (not
reaching to intermediate temperature)
P. 8-102
C445 Heater abnormality after abnormality judgment (pre-
running end temperature abnormality)
*Only for e-STUIDIO556/656/756/856
P. 8-102
C446 Heater abnormality after abnormality judgment (pre-
running end temperature abnormality)
P. 8-102
C447 Heater abnormality after abnormality judgment
(temperature abnormality at ready status)
P. 8-102
C449 Heater abnormality after abnormality judgment
(overheating)
P. 8-102
C465 Pressure roller thermistor abnormality after entering
ready status (pre-running end temperature abnormality)
*Only for e-STUIDIO556/656/756/856
P. 8-102
C466 Pressure roller thermistor abnormality after entering
ready status (pre-running end temperature abnormality)
*Only for e-STUIDIO556/656/756/856
P. 8-102
C467 Pressure roller thermistor abnormality after entering
ready status (temperature abnormality at ready status)
P. 8-102
C468 Pressure roller thermistor abnormality after entering
ready status (overheating)
P. 8-102
C471 IH power voltage abnormality or IH initial abnormality
(IH board initial abnormality)
P. 8-102
C472 IH power voltage abnormality (power supply abnormality) P. 8-102
C473 IH power voltage abnormality (power voltage upper limit
abnormality)
P. 8-102
C474 IH power voltage abnormality (power voltage lower limit
abnormality)
P. 8-102
C475 IH power voltage abnormality (power supply abnormality
when door is opened)
P. 8-102
C480 IH abnormality P. 8-103
C481 IGBT abnormality P. 8-103
C490 IH control circuit abnormality or IH coil abnormality: The
IH control circuit is under abnormal conditions, or the IH
coil is broken or has a short-circuit.
P. 8-103
C4A0 End of cleaning web P. 8-104
C4B0 Fuser unit counter abnormality P. 8-104
C550 Optional
communication
related service call
RADF interface error: Communication error has occurred
between the RADF and the scanner.
P. 8-105
C560 Communication error between Engine-CPU and PFC P. 8-105
C570 Communication error between Engine-CPU and IPC
board
P. 8-105
C580 Communication error between IPC board and Finisher P. 8-105
C590 Communication error between Engine-CPU and Laser-
CPU
P. 8-106
C5A1 Circuit related
service call
NVRAM data abnormality (LGC board) P. 8-131
Error code Classification Contents Troubleshooting
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