SC No. Type Error Name/Error Condition/Major Cause/Solution
SC508-00 B Bypass Tray Size Detection Error
The paper size detected on the bypass tray is different from any of the
pattern of automatic size detection.
• Bypass length sensor or bypass width sensor malfunction
• Bypass length sensor or bypass width sensor harness disconnected
1. Replace the Bypass Length Sensor, or Bypass Width Sensor.
2. Replace the harness for bypass length sensor, or bypass width
sensor.
SC No. Type Error Name/Error Condition/Major Cause/Solution
SC520-01 C Registration Motor: Lock
SC520-02 C Paper feed Motor: Lock
SC520-03 C Transport Motor: Lock
During motor ON, after checking the motor error notification registers
(err_velo and err_posi) for 0.5 sec, the error state of either register was
detected at least 5 times.
• Motor defective
• Connector disconnected
• Harness broken
• IOB defective
• Encoder defective
• Replace the motor.
• Reset the connector.
• Replace the harness.
• Replace the paper transport IOB.
SC No. Type Error Name/Error Condition/Major Cause/Solution
SC521-01 C Duplex Entrance Motor: Lock
SC521-02 C Duplex Bypass Motor: Lock
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