• Code: SC564-00
• Description: Fusing High Temperature Detection (hardware) (Pressure Roller Thermistor Error) In the event of an error
• Causes: • Triac short-circuit • Pressure roller thermistor defective • BCU controller defective • Fusing control: out of control
• Remedy: • Replace the BCU. • Replace the pressure roller thermistor. • Replace the fusing unit.

• Code: SC571-00
• Description: Pressurized Edge Thermistor Disconnection When the pressurized edge thermistor detects a predetermined temperature or less for specified seconds consecutively. Detection period: 100 ms, detection counts: 10 times or more.
• Causes: • Thermistor disconnection • Connector disconnected
• Remedy: • Replace the thermistor. • Reset the connector. • Replace the connector. • Replace the fusing unit.

• Code: SC572-02
• Description: Pressurized Edge Thermistor Does Not Reload When the temperature does not reach 40 degrees Centigrade for 100 seconds consecutively.
• Causes: • Thermistor dirt • Thermistor deformation, float • Outside input voltage guarantee • After excess temperature rise prevention unit operation
• Remedy: • Replace the thermistor. • Make sure that the input voltage is within acceptable limits. • Replace the fusing unit.

• Code: SC573-00
• Description: Pressurized Edge Thermistor High Temperature Detection (software) When the pressurized edge thermistor detects a predetermined temperature or above for specified second consecutively.
• Causes: • Triac short-circuit • IOB defective • BCU defective
• Remedy: • Replace the IOB. • Replace the BCU. • Replace the fusing unit.

• Code: SC574-00
• Description: Pressurized Edge Thermistor High Temperature Detection (hardware) Above a predetermined temperature detected
• Causes: • Triac short-circuit • Pressure roller thermistor defective • BCU defective • Fusing control: out of control
• Remedy: • Replace the BCU. • Replace the pressure roller thermistor. • Replace the fusing unit.

• Code: SC589-01
• Description: Fusing center: Low Temperature Detection When the fusing center thermopile detects the temperature which is 180 degrees Centigrade lower than target Temperature for 12 seconds consecutively.
• Causes: • Heater harness disconnected • Connector defective
• Remedy: • Replace the Heater harness. • Replace the connector.

• Code: SC589-02
• Description: Fusing edge: Low Temperature Detection When the fusing edge thermopile detects the temperature which is 180 degrees Centigrade lower than target Temperature for 12 seconds consecutively.
• Causes: • Heater harness disconnected • Connector defective
• Remedy: • Replace the Heater harness. • Replace the connector.

• Code: SC620-01
• Description: ADF Communication Error. After ADF connection was recognized on startup, an error is detected. (disconnection detection)
• Causes: • ADF connection fault • ADF defection • IPU board defection • Noise contamination • ADF machine code unmatched
• Remedy: • Check the ADF cable connection • Replace the ADF • Replace the IPU board • Replace the ADF which matches the machine code