Ricoh D146 Service Manual page 555

SC No. Level
SC574-00 A
SC No. Level
SC581-00 A
SM
Error Name/Error Condition/Major Cause/Solution
Pressurized Edge Thermistor High Temperature Detection
(hardware)
Above (T4) degrees C detected
§
Triac short-circuit
§
IOB defective
§
BCU defective
§
Fusing control: out of control
§
Replace the IOB
§
Replace the BCU
§
Replace the fusing unit
Error Name/Error Condition/Major Cause/Solution
Pressurized Expanded Edge Thermistor Disconnection
Below 0 degree C (or above 3F9) detected for (t12) seconds
continuously.
Detection period: 100ms, detection count: 10 times or more.
§
Thermistor disconnection
§
Connector disconnected
§
Replace the thermistor
§
Reset the connector
§
Replace the connector
§
Replace the fusing unit
5-81
Service Call 501-584
D146/D147/D148/D149/D150