Toshiba e-STUDIO 5540C Service Manual page 927

Check item
Image quality sensor (S23)
IMG board
SYS board
HDD
Replace parts
HDD
SYS board
[CE50] Temperature/humidity sensor abnormality
Classification
Image control related service call
Check item
Temperature/humidity sensor (S12)
LGC board
Replace parts
Temperature/humidity sensor
LGC board
[CE60] Drum thermistor-Y abnormality
[CE90] Drum thermistor-K abnormality
Classification
Copy process related service call
Check item
EPU tray (process unit)
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• Sensor check
• Connector check
• Harness check
• Connector check (CN422)
• Harness check
• Connector check (CN116, CN132, CN135)
• Harness check
• Format the HDD. ([5] + [C] + [POWER] ON -> [3] -> [2])
• Connector check
• Harness check
The output value of this sensor is out of a specified range.
• Sensor check
(Perform the input check: 03-[ALL]OFF/[1], 03-[ALL]OFF/
[2])
• Connector check
• Harness check
• Connector check (CN310)
• Harness check
The output value of the drum thermistor-Y is out of a specified
range. (CE60)
The output value of the drum thermistor-K is out of a specified
range. (CE90)
• Connection check (05-2788)
• Connector check(CN551, CN553, CN556)
• Harness check
e-STUDIO5540C/6540C/6550C/5560C/6560C/6570C
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Measures
Remarks
Error item
Measures
Remarks
Error item
Measures
ERROR CODE and TROUBLESHOOTING
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