Toshiba e-STUDIO556 Service Manual page 565

Error code Classification
C411 Fuser unit related
service call
C412
C443 Fuser unit related
service call
C445
C446
C447
C449
C465
C466
C467
C468
C471
C472
C473
C474
C475
C480
C481
C490
C4A0
C4B0
C550 Optional
communication
related service call
C560
C570
C580
C590
C5A1 Circuit related
service call
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Contents
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.
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.
Heater abnormality after abnormality judgment (not
reaching to intermediate temperature)
Heater abnormality after abnormality judgment (pre-
running end temperature abnormality)
*Only for e-STUIDIO556/656/756/856
Heater abnormality after abnormality judgment (pre-
running end temperature abnormality)
Heater abnormality after abnormality judgment
(temperature abnormality at ready status)
Heater abnormality after abnormality judgment
(overheating)
Pressure roller thermistor abnormality after entering
ready status (pre-running end temperature abnormality)
*Only for e-STUIDIO556/656/756/856
Pressure roller thermistor abnormality after entering
ready status (pre-running end temperature abnormality)
*Only for e-STUIDIO556/656/756/856
Pressure roller thermistor abnormality after entering
ready status (temperature abnormality at ready status)
Pressure roller thermistor abnormality after entering
ready status (overheating)
IH power voltage abnormality or IH initial abnormality
(IH board initial abnormality)
IH power voltage abnormality (power supply abnormality)
IH power voltage abnormality (power voltage upper limit
abnormality)
IH power voltage abnormality (power voltage lower limit
abnormality)
IH power voltage abnormality (power supply abnormality
when door is opened)
IH abnormality
IGBT abnormality
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.
End of cleaning web
Fuser unit counter abnormality
RADF interface error: Communication error has occurred
between the RADF and the scanner.
Communication error between Engine-CPU and PFC
Communication error between Engine-CPU and IPC
board
Communication error between IPC board and Finisher
Communication error between Engine-CPU and Laser-
CPU
NVRAM data abnormality (LGC board)
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Troubleshooting
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P. 8-102
P. 8-102
P. 8-102
P. 8-102
P. 8-103
P. 8-103
P. 8-103
P. 8-104
P. 8-104
P. 8-105
P. 8-105
P. 8-105
P. 8-105
P. 8-106
P. 8-131
e-STUDIO556/656/756/856/557/657/757/857
ERROR CODE AND TROUBLESHOOTING
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