8
© 2011 - 2015 TOSHIBA TEC CORPORATION All rights reserved e-STUDIO5540C/6540C/6550C/5560C/6560C/6570C
ERROR CODE and TROUBLESHOOTING
8 - 121
[C467] Pressure roller thermistor abnormality after entering ready status (temperature
abnormality at ready status
[C468] Pressure roller thermistor abnormality after entering ready status (overheating)
Check item Measures
Power supply • Check if the power voltage is normal.(Is the voltage during
the operation ±10% of the rated voltage?)
• Connector check (CN403, CN409)
Error detection history Check the error detection history of each temperature
detecting element when the error occurred. If any of the
elements detects an abnormal temperature, check next.
• 08-4531: Fuser belt center thermopile temperature
• 08-4532: Fuser belt edge thermistor temperature
• 08-4533: Pressure roller center thermistor temperature
• 08-4545: Pressure roller rear thermistor temperature
Pressure roller thermistor • Sensor check
• Install check
• Is the pressure roller rear thermistor contacted with the
pressure roller surface securely?
Fuser unit • Unit check
• Connector check
• Harness check
LGC board • Connector check (CN301, CN306)
• Harness check
Status counter 1. [0], [8] Power ON.
2. Key in “2002”, then press [START].
3. Reset the status counter values “61”, “70”, “71” or “62” to
“0”. Then press [ENTER] on the touch panel or the
[INTERRUPT] button on the control panel. (The error
C461, C462 or C464 is released.)
4. Turn the power OFF and then back ON. Make sure that
the equipment enters the normal ready state.
Replace parts Remarks
Pressure roller thermistor
Fuser unit
Power supply
LGC board
Classification Error item
Fuser unit related service call
Check item Measures
Power supply • Check if the power voltage is normal.(Is the voltage during
the operation ±10% of the rated voltage?)
• Connector check (CN403, CN409)
Pressure roller thermistor • Sensor check
• Install check
• Is the pressure roller rear thermistor contacted with the
pressure roller surface securely?
To Next Page
Loading...
