SC No. Type Error Name/Error Condition/Major Cause/Solution
SC701-03 D Paper Feed Motor Driver Error
Detection of error signal from motor driver
SC701-08 D Paper Exit Motor Driver Error
Detection of error signal from motor driver.
• Encoder disconnection
• Encoder connector dropout
• Encoder defective
• Overload
• Motor deterioration
Check if the SC occurs by turning the main power OFF then ON,
opening/closing covers, and input/output check. If the SC occurs again,
do the following steps. Check if the SC reoccurs by cycling the power
after each step.
• The target parts that need to be checked are all motors, all
solenoids, all clutches, and all sensors.
1. Check if the connector of the target part is connected securely.
Reconnect the connector if it is disconnected, or loose.
2. Check the harness for the target part. Replace the harness if it is
disconnected, or damaged.
3. Check if the motor runs, sensors turn OFF/ON, has no overloads,
and is properly driven. Replace the parts if there are any defects.
4. Check if there are any signs of a short circuit. Replace the parts if
there are any defects.
SC No. Type Error Name/Error Condition/Major Cause/Solution
SC702 ARDF DF3090 (D779) Error
SC702-01 D Protection Device Intercept Error
When original source 5V power supply is ON, protection device
intercept of 24V power supply system is detected.
6. Troubleshooting
972
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