Toshiba e-STUDIO 5540C Service Manual page 879

Check item
IH board
LGC board
Status counter
Replace parts
Duplexing unit interlock switch.
Fuser unit
Power supply
IH board
LGC board
[C473] Surge pressure detection / power and voltage upper limit abnormality
[C474] Power and voltage lower limit abnormality
Classification
Fuser unit related service call
Check item
Power supply
IH board
Status counter
Replace parts
Power supply
IH board
[C480] IGBT high temperature abnormality
Classification
Fuser unit related service call
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• Connector check
• Harness check
• Breaker, fuse check
• Connector check (CN305, CN306)
• Harness check
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.
• Check if the power voltage is normal.(Is the voltage during
the operation ±10% of the rated voltage?)
• Connector check (CN403, CN409)
• Power cable check
• Connector check(CN462)
• Harness check
• Breaker, fuse check
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".
e-STUDIO5540C/6540C/6550C/5560C/6560C/6570C
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Measures
Remarks
Error item
Measures
Remarks
Error item
ERROR CODE and TROUBLESHOOTING
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