• Code: SC511-00
• Description: Paper Thickness Sensor Error During initial calibration of the paper thickness sensor, the sensor output value does not become the correct value although 3 or more retries are performed.
• Causes: • Paper thickness sensor harness disconnection/connector missing • Dirt on the paper thickness sensor due to paper powder or dust, etc. • Foreign matter adhesion to paper thickness detection unit (1st transport roller)
• Remedy:

• Code: SC520-01
• Description: Registration Motor: Lock During motor ON, after checking the motor error notification registers (err_velo and err_posi) for 500msec, the error state of either register was detected at least 5 times.
• Causes: • Motor defective • Connector disconnected • Harness broken • IOB defective • Encoder defective
• Remedy: • Replace the motor • Reset the connector • Replace the harness • Replace the IOB

• Code: SC520-02
• Description: Paper feed Motor: Lock During motor ON, after checking the motor error notification registers (err_velo and err_posi) for 500msec, the error state of either register was detected at least 5 times.
• Causes: • Motor defective • Connector disconnected • Harness broken • IOB defective • Encoder defective
• Remedy: • Replace the motor • Reset the connector • Replace the harness • Replace the IOB

• Code: SC520-03
• Description: Transport Motor: Lock During motor ON, after checking the motor error notification registers (err_velo and err_posi) for 500msec, the error state of either register was detected at least 5 times.
• Causes: • Motor defective • Connector disconnected • Harness broken • IOB defective • Encoder defective
• Remedy: • Replace the motor • Reset the connector • Replace the harness • Replace the IOB

• Code: SC521-01
• Description: Duplex Entrance Motor: Lock During motor ON, after checking the motor error notification registers (err_velo and err_posi) for 500msec, the error state of either register was detected at least 5 times.
• Causes: • Motor defective • Connector disconnected • Harness broken • IOB defective • Encoder defective
• Remedy: • Replace the motor • Reset the connector • Replace the harness • Replace the IOB

• Code: SC521-02
• Description: Duplex By-pass Motor: Lock During motor ON, after checking the motor error notification registers (err_velo and err_posi) for 500msec, the error state of either register was detected at least 5 times.
• Causes: • Motor defective • Connector disconnected • Harness broken • IOB defective • Encoder defective
• Remedy: • Replace the motor • Reset the connector • Replace the harness • Replace the IOB

• Code: SC522-00
• Description: Paper Exit Motor: Lock During motor ON, after checking the motor error notification registers (err_velo and err_posi) for 500msec, the error state of either register was detected at least 5 times.
• Causes: • Motor defective • Connector disconnected • Harness broken • IOB defective • Encoder defective
• Remedy: • Replace the motor • Reset the connector • Replace the harness • Replace the IOB

• Code: SC530-00
• Description: Fusing Exhaust Heat 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.
• Causes: • Motor defective • Connector disconnected • Harness broken • IOB defective
• Remedy: • Replace the motor • Reset the connector • Replace the harness • Replace the IOB • Replace the fan