Toshiba e-studio 2555c, Руководство по обслуживанию

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e-STUDIO2555C/3055C/3555C/4555C/5055C © 2012-2013 TOSHIBA TEC CORPORATION All rights reserved
ERROR CODE AND TROUBLESHOOTING
8 - 134
[C473] Surge pressure detection / power and voltage upper limit abnormality
[C474] Power and voltage lower limit abnormality
[C475] IH power voltage abnormality or IH initial abnormality
LGC board
FIL board
IH board
Power supply
Classification Error item
Fuser unit related service call The power voltage supplied to the IH board is higher than
upper limit (C473)
The power voltage supplied to the IH board is lower than
upper limit (C474)
Check item Measures
Power supply • Check if the power voltage is normal.(Is the voltage during
the operation ±10% of the rated voltage?)
Fuser unit • Drawer connector check
• Thermostat check
• Unit check
IH board • Connector check (CN357, 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) "13" or
"16" to "0".
4. Turn the power OFF and then back ON. Make sure that
the equipment enters the normal ready state.
Replace parts Remarks
Power supply
IH board
Classification Error item
Fuser unit related service call IH power supply abnormality at door open
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
Replace parts Remarks