SC No. Type Error Name/Error Condition/Major Cause/Solution
SC561-05 D Pressure Roller Thermistor (Center) Disconnection (Low Power)
Below 0 degree C detected for 20 sec continuously.
Detection period 0.1 sec, detection count: 10 times or more.
• Non-contact thermistor disconnection
• Connector disconnected
• Harness disconnection in the fusing unit
• Harness disconnection between the fusing unit and the BCU or the
PSU (AC controller board)
• BCU defective
• Fusing lamp defective
• AC controller board defective
1. Check the power supply voltage and reconnect the cable to the
outlet. (-05 only)
2. Reconnect the connectors (between the fusing unit and the BCU).
3. Replace the thermistor.
4. Replace the fusing unit.
5. Replace the harness between the fusing unit and the BCU or the PSU
(AC controller board).
6. Replace the BCU.
7. Replace the fusing sleeve belt unit.
8. Replace the PSU (AC controller board).
SC No. Type Error Name/Error Condition/Major Cause/Solution
SC562-02 A Pressure Roller Thermistor (Center) Does Not Reload
SC562-05 D Pressure Roller Thermistor (Center) Does Not Reload (Low Power)
6. Troubleshooting
840
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