Ricoh Pro C7200S Troubleshooting Manual page 104

1.SC Codes
SC No. Level
02
SC539- D Development Unit Cooling Fan 1 Error
01
SC539- D Development Unit Cooling Fan 2 Error
02
SC539- D Development Unit Cooling Fan 3 Error
03
During fan lock detection
Fan stopped due to overload or foreign object
Connector disconnected.
Check the connector. Replace the defective fan.
SC No. Level
SC541- A Thermistor disconnection: Heating Roller Thermopile
00
Heating Roller Thermopile detected -40 degree or lower 3 seconds consecutively
after the heater was turned on.
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SC No. Level
SC542- A Reload Failure: Heating Roller Thermopile
01
Heating Roller Thermopile detected a temperature below 80 degrees 65 seconds
consecutively after the heater was turned on.
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SC No. Level
SC542- A Reload Failure: Heating Roller Thermopile
02
200 seconds after start of heater control, Heating Roller Thermopile detected that
temperature has not been reached for reload permission.
100
Error Name/Error Condition/Major Cause/Solution
Error Name/Error Condition/Major Cause/Solution
Thermistor disconnection
Connecter contact failure
Replace the Heating Roller Thermopile.
Reconnect the connector.
Replace the fuser unit.
Error Name/Error Condition/Major Cause/Solution
Thermistor deformed or floating
Input voltage out of specification
Replace the Heating Roller Thermopile
Use within the input voltage specification.
Replace the fuser unit.
Replace the heater.
Error Name/Error Condition/Major Cause/Solution