Ricoh Pro C7200S Troubleshooting Manual page 109

SC No. Level
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SC No. Level
SC551- A Thermistor disconnection: Pressure Roller NC Sensor
00 Pressure Roller NC Sensor detected 0 degree or lower 105 seconds
consecutively after the heater was turned on
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SC No. Level
SC552- A Reload Failure: Pressure Roller NC Sensor
01
Pressure Roller NC Sensor detected a temperature below 45 degrees 105
seconds consecutively after the heater was turned on.
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SC No. Level
SC552- A Reload Failure: Pressure Roller NC Sensor
02
Reload permission temperature is not reached 260 seconds after motor control is
started.
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Error Name/Error Condition/Major Cause/Solution
START signal being output.
Motor connector disconnected
Abnormal increase in Fuser Belt Smoothing Roller torque (overload due to
the bearing lock, etc.)
Motor driver defective
Error Name/Error Condition/Major Cause/Solution
Thermistor disconnection
Connecter contact failure
Replace the Pressure Roller NC Sensor.
Reconnect the connector.
Replace the Fuser Unit.
Error Name/Error Condition/Major Cause/Solution
Thermistor deformed or floating
Input voltage out of specification
Check for fusing lamp disconnection
Replace the Pressure Roller NC Sensor
Replace the Pressure Roller Thermostat
Replace the Pressure Roller Fusing Lamp
Error Name/Error Condition/Major Cause/Solution
Lamp disconnection
After the operation of overheat prevention mechanism
Check for fusing lamp disconnection
Replace the Pressure Roller NC Sensor
Replace the Pressure Roller Thermostat
1.SC Codes
105