e-STUDIO2020C/2330C/2820C/2830C/3520C/3530C/4520C
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ERROR CODE AND TROUBLESHOOTING
6 - 8
C412
Thermistor/heater lamp 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.
C443
Heater lamp abnormality after abnormality
judgment (not reaching to intermediate
temperature)
C445
Heater lamp abnormality after abnormality
judgment (pre-running end temperature
abnormality)
C446
Heater lamp abnormality after abnormality
judgment (pre-running end temperature
abnormality)
C447
Heater lamp abnormality after abnormality
judgment (temperature abnormality at ready status)
C448
Heater lamp continuous lighting abnormality:
Heater lamp lights continuously for a certain period
of time when the pressure roller temperature during
ready status is higher than the specified
C449
Heater lamp abnormality after abnormality
judgment (temperature abnormality at high
temperature)
C450
Abnormal temperature difference between the
center thermopile and the edge thermistor (Not
determined)
C451
Abnormal temperature difference between the
center thermopile and the edge thermistor
(Determined)
C452
Abnormal thermopile temperature difference
C465
Pressure roller thermistor abnormality after entering
ready status (pre-running end temperature
abnormality)
C466
Pressure roller thermistor abnormality after entering
ready status (pre-running end temperature
abnormality)
C467
Pressure roller thermistor abnormality after entering
ready status (temperature abnormality at ready
status)
C468
Pressure roller thermistor abnormality after entering
ready status (overheating)
C4B0
Fuser unit counter abnormality
C4B1
Fuser unit destination selection abnormality
C4D0
Fuser belt thermopile abnormality
C550
Optional
communication related
service call
RADF I/F error: Communication error has occurred
between the RADF and the scanner.
C570
Communication error between Engine-CPU and
IPC board
C580
Communication error between IPC board and
finisher
C5A0
Circuit related service
call
SRAM board not connected (LGC board)
C5A1
SRAM board data abnormality (LGC board)
C900
Connection error between SYS board and LGC
board
C940
Engine-CPU abnormality
C962
LGC board ID abnormality
C970
Process related
service call
High-voltage transformer abnormality: Leakage of
the main charger is detected.
C9E0
Circuit related service
call
Connection error between SLG board and SYS
board
Error code
Classification
Contents
Troubleshooting