Ricoh MP C6502SP Field Service Manual page 1156

5. Troubleshooting
SC No.
SC579-00
1154
Level Error Name/Error Condition/Major Cause/Solution
Sensor 7: Fusing Roller Core Disconnection
0 degrees or lower was detected for 1000 seconds consecutively.
Number of times: 10 or more
Monitored at: All times, though SC is not issued when temperature is not
controlled (when in off mode/sleep mode, when a door, excluding the
toner supply door, is open, or when the heater relay is off).
Monitored only when SP1-107-024 is set to ON.
SP1-107-024:
A
0: OFF (default)
1: ON
• Thermistor disconnection
• Connecter contact failure
• Replace the thermistor.
• Reconnect the connector.
• Replace the connector.
• Replace the unit.