Sc500 (Paper Feed And Fusing) - Ricoh Da-P1 Field Service Manual

6. Troubleshooting

SC500 (Paper Feed and Fusing)

SC No.
SC508-00
SC No.
SC520-00
176
Level Error Name/Error Condition/Major Cause/Solution
By-pass bottom plate operation error
The signal from the by-pass bottom plate HP Sensor has not changed
(that is, the signal has not changed from ON to OFF or vice versa) for 4
seconds or more after the start of reverse Paper Feed Unit rotation.
If the error is detected three times in succession, the appropriate SC
number is displayed on the operation panel unit.
• By-pass bottom plate HP sensor connector disconnected or other
B
error
• By-pass bottom plate HP sensor feeler stuck or other error
• Check and replace the by-pass bottom plate HP sensor connector
connection.
• Replace the by-pass bottom plate HP sensor feeler.
• Replace the harness.
• Replace the engine board.
Level Error Name/Error Condition/Major Cause/Solution
Main motor error
When the main motor is driven, the lock (state of rotation) signal is
checked every 100 milliseconds. If the machine detects the lock signal in
the High status 20 times in succession, it reports this error.
D
• The main motor incurs too much load from a defective unit.
• The main motor is defective.
• Turn the main power off/on.
• Replace the defective unit or the motor.