Toshiba e-STUDIO 2555C Service Manual page 693

Check item
LGC board
IH board
Replace parts
LGC board
IH board
[C4C0] Fuser unit new/old detection fuse abnormality
Classification
Fuser unit related service call
Check item
Fuser unit
LGC board
Parts to be replaced
Fuser unit
LGC board
[C4D0] Fuser thermistor abnormality
Classification
Fuser unit related service call
Check item
Fuser unit
Thermistor
LGC board
Cancel the service call
Parts to be replaced
Thermistor
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• Connector check (CN357)
• Board check
• Connector check (CN561, CN562, CN563)
• Board check
Error content
Fuser unit new/old detection fuse abnormality
• Connector check (J1101)
• Harness check
• Unit check
• Connector check (CN355, CN356)
• Harness check
• Board check
Error content
Fuser thermistor abnormality
• Drawer connector check
• Thermostat check
• Unit check
• Connector check (J1101)
• Check if the harnesses of the center and edge thermistor
are open circuited.
• Connector check (CN355)
• Check if the conductor pattern on the LGC board is open
circuited or short circuited.
After repairing the matter which caused the error [C4D0], turn
the power OFF and then back ON to cancel the service call.
However, the counter value will be stored until it is written over
by the value of the other service call.
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Measures
Remarks
Measure
Remark
Measure
Remark
e-STUDIO2555C/3055C/3555C/4555C/5055C
ERROR CODE AND TROUBLESHOOTING
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