Toshiba e-studio 2555c, Руководство по обслуживанию

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ERROR CODE AND TROUBLESHOOTING
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[C471] IH board initialization abnormality
[C472] Power supply abnormality
5 Clear the status counter 1. [0]+ [8] Power ON.
2. Key in "2002", then press [START].
3. Change the current status counter value (08-2002) "5",
"6", "7", "9", "22", "23", "24", "25", "27", "29", or "63 to 66".
* The status counter value is as follows in the following
cases.
- The error occurred during warming-up: "5" or "6"
The error occurred after the equipment has become
ready: "7".
- The temperature detected by the center thermistor is
220°C or higher, the temperature detected by the
edge thermistor is 235°C or higher : "9", "22", "23",
"25", "27" or "29"
- The error occurred during printing: "24", "25", or "64
to 66".
- The error occurred during energy saving: "27".
- A paper jam occurred: "29".
Classification Error item
Fuser unit related service call Power is not supplied to the IH board
Check item Measures
Power supply • Check if the power voltage is normal.(Is the voltage during
the operation ±10% of the rated voltage?)
Side cover interlock switch • Connector check (J1008, CN354)
• Harness check
Fuser unit • Drawer connector check
• Thermostat check
• Unit check
LGC board • Connector check (CN357)
• Board check
FIL board • Connector check
• Board check
IH board • Connector check (CN561, CN562, CN563)
• Board check
Status counter 1. [0], [8] Power ON.
2. Key in “2002”, then press [START].
3. Change the current status counter value (08-2002) "11" to
"0"
4. Turn the power OFF and then back ON. Make sure that
the equipment enters the normal ready state.
Connector and harness • Check the connectors and harnesses of the parts replaced
just before C471 occurred.
• Check the connectors which connect the equipment and
LCF/PFP.
Replace parts Remarks
Side cover interlock switch.
Procedure Check item Measures