Ricoh D147 - Page 597

Service Call 700-792
SM 5-123 D146/D147/D148/D149/D150
Troubleshooting
SC No. Level Error Name/Error Condition/Major Cause/Solution
§ Reset the connector
§ Replace the motor
§ Replace the sensor
§ Replace the harness
§ Remove the staple jam (*SC724-86 only)
SC No. Level Error Name/Error Condition/Major Cause/Solution
SC761 Protection Device Intercept Error *V (bridge unit or left paper
output tray)
SC761-03 B Protection Device Intercept Error 5V
SC761-04 B Protection Device Intercept Error 24V
Fuse blowout occurs due to over current during power injection
(output detected for longer than 2 seconds).
§ Over current of bridge unit motor
§ Over current due to short-circuit in PCB
§ Replace the bridge unit
§ Replace the PCB
SC No. Level Error Name/Error Condition/Major Cause/Solution
SC780-01 D Bank 1 (Upper 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)