Ricoh D146 Service Manual page 547

SC No. Level
SC No. Level
SC552-02 A
SC552-03 A
SM
Error Name/Error Condition/Major Cause/Solution
§
NC sensor short-circuit
§
Connector disconnected
§
Replace the NC sensor
§
Reset the connector
§
Replace the connector
§
Replace the fusing unit
Error Name/Error Condition/Major Cause/Solution
Fusing Central Thermopile Does Not Reload
(T21) degrees C not reached after heater 1 ON for (t3) seconds.
Fusing Central Thermopile Does Not Reload
Heating edge reload permission temperature not reached after
heater 1 ON for (t312) seconds.
§
Thermopile lens dirt
§
Thermopile modification, float
§
Outside input voltage guarantee
§
After excessive temperature rise prevention unit operation
§
Replace the thermopile
§
Make sure that the input voltage is within acceptable limits
§
Replace the fusing unit
5-73
Service Call 501-584
D146/D147/D148/D149/D150