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November 2003 © TOSHIBA TEC 2 - 7 e-STUDIO3511/4511
ERROR CODE AND SELF-DIAGNOSTIC MODE
Thermistor or heater abnormality at power-ON: Abnormality of
the thermistor is detected when power is turned ON or the
temperature of the fuser roller does not rise in a specified
period of time after power is turned ON.
Thermistor abnormality after abnormality judgment: Abnormality
of the thermistor is detected after a specified period of time has
passed from power-ON (including ready time or energy saving
mode).
Heater abnormality after abnormality judgment: The temperature
of the fuser roller has exceeded the range of control (in this case,
the main switch turns OFF automatically) or does not even reach
the range.
Thermistor abnormality during printing: Abnormality of the ther-
mistor is detected during printing.
IH initialization or IH power voltage abnormality: The AC input is
not applied to the IH control circuit normally, or the input voltage
is too high/low.
Overheating of IGBT: The temperature of the IGBT rises abnor-
mally.
IH control circuit or IH coil abnormality: Abnormality is detected
in IH control circuit or IH coil is broken/shorted.
RADF I/F error: Communication error has occurred between the
RADF and the scanner.
Communication error between Engine-CPU and IPC board
Communication error between IPC board and finisher
EEPROM initialization error: EEPROM is not initialized normally
when performing the code 05-356.
Fan motor abnormality: The fan motor is not rotating normally.
Read sensor adjustment error: The read sensor cannot be
adjusted normally when performing the code 05-356.
Original length sensor adjustment error: The original length
sensor cannot be adjusted normally when performing the code
05-356.
Connection error between SYS board and LGC board
Engine-CPU abnormality
LGC board memory abnormality
Connection error between LGC board and DRV board, ID
abnormality
High-voltage transformer abnormality: Leakage of the main
charger is detected.
Connection error between SLG board and SYS board, ID
abnormality
Polygonal motor abnormality: The polygonal motor is not
rotating normally.
H-Sync detection error: H-Sync signal detection PC board
cannot detect laser beams.
Ch. 5.1.11
Ch. 5.1.11
Ch. 5.1.11
Ch. 5.1.11
Ch. 5.1.11
Ch. 5.1.11
Ch. 5.1.11
Ch. 5.1.12
Ch. 5.1.12
Ch. 5.1.12
Ch. 5.1.13
Ch. 5.1.13
Ch. 5.1.13
Ch. 5.1.13
Ch. 5.1.14
Ch. 5.1.14
Ch. 5.1.14
Ch. 5.1.14
Ch. 5.1.18
Ch. 5.1.14
Ch. 5.1.15
Ch. 5.1.15
Fuser unit related
service call
Optional commu-
nication related
service call
RADF related
service call
Circuit related
service call
Process related
service call
Circuit related
service call
Laser optical unit
related service call
C410
C430
C440
C450
C470
C480
C490
C550
(C780)
C570
C580
C730
C810
C820
C830
C900
C940
C950
C960
C970
C9E0
CA10
CA20
Trouble-
shooting
Error code Classification Contents
05/05