Toshiba e-STUDIO5540C Service Manual page 17

Error code Classification
C464 Fuser unit related
service call
C467
C468
C471
C472
C473
C474
C480
C481
C490
C4B0
C4B1
C4E0
C4E1
C4E2
C550 Optional
communication
related service call
C560
C570
C580
C5A0 Circuit related
service call
C5A1
C730 RADF
service call
C880
C890
C8A0
C8B0
e-STUDIO5540C/6540C/6550C/5560C/6560C/6570C
ERROR CODE and TROUBLESHOOTING
Contents
Pressure roller thermistor temperature
difference
Pressure roller thermistor abnormality after
entering ready status (temperature
abnormality at ready status)
Pressure roller thermistor abnormality after
entering ready status (overheating)
IH board initialization abnormality
Power supply abnormality
Surge pressure detection / power and voltage
upper limit abnormality
Power and voltage lower limit abnormality
IGBT high temperature abnormality
IH drive circuit abnormality
IH circuit abnormality / IH coil abnormality
Fuser unit counter abnormality
Fuser unit voltage judgment abnormality
Fuser pressure release abnormality -
Though the pressure roller is released, its
position cannot be detected.
Fuser pressure contact abnormality -
Though the pressure roller is contacted, its
position cannot be detected.
Fuser belt rotation detection sensor
abnormality - The fuser belt does not rotate or
incorrectly rotates.
RADF I/F error: Communication error has
occurred between the RADF and the scanner.
Communication error between Engine-CPU
and PFC board
Communication error between Engine-CPU
and CNV-CPU
Communication error between CNV-CPU and
finisher
SRAM board data abnormality (LGC board)
SRAM board data abnormality (LGC board)
RADF EEPROM error: Data abnormality
occurs during the EEPROM writing of the
RADF is performed.
RADF original feed motor abnormality: An
error signal has been detected when the
motor is rotating.
RADF read motor abnormality: An error signal
has been detected when the motor is rotating.
RADF original reverse motor abnormality: An
error signal has been detected when the
motor is rotating.
RADF original exit motor abnormality: An error
signal has been detected when the motor is
rotating.
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