Service Call 700-792
D146/D147/D148/D149/D150 5-124 SM
SC No. Level Error Name/Error Condition/Major Cause/Solution
SC780-01 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
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