Ricoh J2SS-C3 Service Manual page 90

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SERVICE CALL CONDITIONS
SC Code E-4: Hot Roller Thermistor Short
Definition
The resistance of the hot roller thermistor is less than 0.11 KΩ.
Points to Check
• Hot roller thermistor
• Main board (CN102-A5, -B11, -B13, -B14)
SC Code E-5: Pressure Roller Thermistor Open
Definition
The resistance of the pressure roller thermistor is more than 0.53 MΩ.
Points to Check
• Pressure roller thermistor
• Main board (CN102-A4, -B12, -B13, -B14)
SC Code E-6: Pressure Roller Thermistor Short
Definition
The resistance of the pressure roller thermistor is less than 0.55 KΩ.
Points to check
• Pressure roller thermistor
• Main board (CN102-A4, -B12, -B13, -B14)
SC Code E-7: Fusing Overheat
Definition
The temperature detected by the hot roller thermistor exceeds 250°C.
Points to Check
• Hot roller thermistor
• Fusing thermofuse
• AC drive board
• Main board (CN102-A1, -B13, -B14)
6-2
11 May, 2001

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