SC No. Type Error Name/Error Condition/Major Cause/Solution
SC563-00 A Pressure Roller Thermistor (Center) High Temperature Detection
(software)
Above (T3) degrees C detected for specified time (sec.) continuously.
Detection period: 100ms, detection count: 10 times or more.
• Triac short-circuit
• IOB defective
• BCU defective
1. Reconnect the connector between the fusing unit and BCU.
2. Replace the Pressure Roller Thermistor (Center).
3. Replace the harness between the fusing unit and BCU.
4. Replace the BCU.
5. Replace the Paper Transport IOB.
SC No. Type Error Name/Error Condition/Major Cause/Solution
SC564-00 A Pressure Roller Thermistor (Center) High Temperature Detection
(hardware)
Above (T4) degrees C detected
• Triac short-circuit
• IOB controller defective
• BCU controller defective
• Fusing control: out of control
1. Reconnect the connector between the fusing unit and BCU.
2. Replace the Pressure Roller Thermistor (center).
3. Replace the harness between the fusing unit and BCU.
4. Replace the BCU.
5. Replace the Paper Transport IOB.
Service Call 501-584
931
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