SC No. Level Error Name/Error Condition/Major Cause/Solution
When original source of 5V power supply is ON, protection device
intercept of 24V power system is detected.
In 24V power supply system:
• Motor defective
• Solenoid defective
• Harness short- circuit
• Replace the PCB
• Replace the short-circuited part (harness, motor, solenoid)
SC No. Level Error Name/Error Condition/Major Cause/Solution
SC781-01 D Bank 2 (Lower optional paper tray) Protection Device Intercept Error
When original source of 5V power supply is ON, protection device
intercept of 24V power system is detected.
In 24V power supply system:
• Motor defective
• Solenoid defective
• Harness short- circuit
• Replace the PCB
• Replace the short-circuited part (harness, motor, solenoid)
SC No. Level Error Name/Error Condition/Major Cause/Solution
SC791-00 D No bridge unit when finisher is present
When power supply is switched on or paper is transported, finisher set is
detected but bridge unit set is not detected.
(during internal finisher connection, not detected)
• Bridge unit not attached
• Bridge unit defective
• Reset the bridge unit
• Turn the power off/on
Service Call 700-792
549
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