SC No. Type Error Name/Error Condition/Major Cause/Solution
SC324-01 D Development motor: Bk: Lock
Motor status is observed at 100ms intervals during motor ON, and the
unlock status is detected at least 20 times
• Motor defective
• Connector disconnected
• Harness broken
• IOB defective
• Development unit torque increased
• Replace the motor
• Reconnect the connector
• Replace the harness
• Replace the Imaging IOB.
• Replace the development unit
SC No. Type Error Name/Error Condition/Major Cause/Solution
SC324-05 D Development motor: CMY: Lock
Motor status is observed at 100ms intervals during motor ON, and the
unlock status is detected at least 20 times.
• Motor defective
• Connector disconnected
• Harness broken
• IOB defective
• Development unit torque increased
• Replace the motor
• Reconnect the connector
• Replace the harness
• Replace the Imaging IOB.
• Replace the development unit
6. Troubleshooting
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