Toshiba E-studio5540c Service Manual

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ERROR CODE and TROUBLESHOOTING
8 - 121
[C473] Surge pressure detection / power and voltage upper limit abnormality
[C474] Power and voltage lower limit abnormality
[C480] IGBT high temperature abnormality
IH board • Connector check
• Harness check
• Breaker, fuse check
LGC board • Connector check (CN305, CN306)
• Harness 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.
Replace parts Remarks
Duplexing unit interlock switch.
Fuser unit
Power supply
IH board
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)
• Power cable check
IH board • Connector check(CN462)
• Harness check
• Breaker, fuse 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”.
Replace parts Remarks
Power supply
IH board
Classification Error item
Fuser unit related service call
Check item Measures

Toshiba E-studio5540c Specifications

General

Brand	Toshiba
Model	E-studio5540c
Category	All in One Printer
Language	English