Toshiba e-STUDIO 5540C Service Manual page 876

Replace parts
Thermopiles
Fuser unit
IH coil
IH board
LGC board
[C448] IH continuous lighting abnormality
Classification
Fuser unit related service call
Check item
Power supply
Thermopiles
Fuser unit
LGC board
Status counter
Replace parts
Thermopiles
Fuser unit
Power supply
LGC board
[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
Classification
Fuser unit related service call
e-STUDIO5540C/6540C/6550C/5560C/6560C/6570C
ERROR CODE and TROUBLESHOOTING
IH lights continuously for a certain period of time when the
pressure roller temperature during ready status is higher than
the specified
• 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)
• 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.
• Unit check
• Connector check
• Harness check
• Connector check (CN305)
• Harness check
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.
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Remarks
Error item
Measures
Remarks
Error item