SC520-05 D Sub Scan Motor Driver Error (Overheating)
Response to a motor driver error (overheating) from motor control
• Check that there is no problem on the driving parts (registration roller
and its parts, gear, roller, belt, and pressure roller).
• Check that there is no problem on sliding.
• Check that there is no abnormal odor, smoke, or fire.
• If no problem is found above but it is not recovered by setting the main
power switch to OFF and back ON, replace BICU.
SC520-06 D Sub Scan Motor Driver Error (Low Voltage)
Response to the motor driver error (low voltage) from motor control
This error is generated when the motor driver is in low-voltage status.
• If it is not recovered by setting the main power switch to OFF and back
ON, replace the BICU.
SC521-01 D Roll Unit 1 Communication Error
No response from the motor control firmware
Communication error between the motor control firmware and engine. The
machine failed to stop within the specified time and area because of the
mechanical trouble.
Communication Error
• Roll Unit 1 is not connected
• Cycle the machine off/on
• Check the harness connections between the roll unit and the MCU
• MCU defective
• If not recovered, replace IOB and BICU.
Mechanical Trouble
• Check that there is no problem on the feed driving parts (gear, roller).
• If it is not recovered by setting the main power switch to OFF and back
ON, replace the parts.
6. Troubleshooting
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