e-STUDIO5540C/6540C/6550C/5560C/6560C/6570C © 2011 - 2015 TOSHIBA TEC CORPORATION All rights reserved
ERROR CODE and TROUBLESHOOTING
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[C448] IH continuous lighting abnormality
[C461] Pressure roller temperature detection (40 degrees C) abnormality (not determined)
[C462] Pressure roller temperature detection (40 degrees C) abnormality (determined)
[C464] Pressure roller thermistor temperature difference abnormality
Replace parts Remarks
Thermopiles
Fuser unit
IH coil
IH board
LGC board
Classification Error item
Fuser unit related service call IH lights continuously for a certain period of time when the
pressure roller temperature during ready status is higher than
the specified
Check item Measures
Power supply • Check if the power voltage is normal.(Is the voltage during
the operation ±10% of the rated voltage?)
• Check the power supply unit.
• Connector check (CN403, CN409)
Thermopiles • Check if foreign matter or paper in the fuser unit is
plugging up the monitoring opening of the fuser belt
thermopile.
• Check if the opening of the fuser belt thermopile of the
equipment is plugged up.
Fuser unit • Unit check
• Connector check
• Harness check
LGC board • Connector check (CN305)
• Harness check
Status counter 1. [0], [8] Power ON.
2. Key in “2002”, then press [START].
3. Change the displayed current status counter value “32” to
“0”, then press [ENTER] or [INTERRUPT] (to cancel
C448).
4. Turn the power OFF and then back ON. Make sure that
the equipment enters the normal ready state.
Replace parts Remarks
Thermopiles
Fuser unit
Power supply
LGC board
Classification Error item
Fuser unit related service call
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