SC5xx: Main Motor Errors, Fusing Errors
Code Level Details
501 D Plate Action Error
The status of the bottom plate position sensor does not change even though 2
secs or more have lapsed after the bottom plate lift clutch is turned ON.
This SC is displayed if the error is detected 3 times.
• The bottom plate lift clutch is loose or defective.
• The bottom plate position sensor is loose or defective.
• Cycle the power OFF/ON.
• Replace the bottom plate lift clutch.
• Replace the bottom plate position sensor.
• Replace any harnesses connected to the bottom plate lift clutch or bottom
plate position sensor.
Code Level Details
520 D Main Motor Error
• The machine failed to detect a lock signal within 550 ms after the main
motor was turned on.
• The machine failed to detect a lock release signal with 2 sec. after the main
motor was turned off.
• This SC is displayed if a lock signal cannot be detected for 8 consecutive
times.
• The AIO is defective.
• The main motor is defective.
• Cycle the power OFF/ON.
• Check the areas around motor and main drive train for any physical
obstruction such as paper scraps.
• Clean the main motor drive train.
• Replace the AIO.
• Replace the main motor.
Service Calls
69
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