Ricoh SP 8400DN Field Service Manual page 1275

SC No. Type
SC No. Type
SC531-00 D
SC No. Type
SC533-00 D
SC533-01 D
SC No. Type
SC534-00 D
Error Name/Error Condition/Major Cause/Solution
•
BCU defective
•
Replace the fusing fan.
•
Reset the connector.
•
Replace the harness.
•
Replace the BCU.
Error Name/Error Condition/Major Cause/Solution
Development Bearing Cooling Fan Lock
In the motor ON state, the value of the lock sensor is checked every 100msec.
If a lock signal is not obtained for 50 times consecutively.
•
Motor defective
•
Connector disconnected
•
Harness broken
•
BCU defective
•
Replace the development bearing cooling fan
•
Reset the connector.
•
Replace the harness.
•
Replace the BCU.
Error Name/Error Condition/Major Cause/Solution
PSU Cooling Fan Lock
Development Bearing Cooling Fan
In the motor ON state, the value of the lock sensor is checked every 100msec.
If a lock signal is not obtained for 50 times consecutively.
•
Motor defective
•
Connector disconnected
•
Harness broken
•
BCU defective
•
Replace the development bearing cooling fan.
•
Reset the connector.
•
Replace the harness.
•
Replace the BCU.
Error Name/Error Condition/Major Cause/Solution
Development Exhaust Fan
In the motor ON state, the value of the lock sensor is checked every 100msec.
If a lock signal is not obtained for 50 times consecutively.
6.Troubleshooting
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