Ricoh MP C3004 Field Service Manual page 920

6. Troubleshooting
SC No.
SC No.
SC508-00
SC No.
SC520-01
SC520-02
SC520-03
912
Type Error Name/Error Condition/Major Cause/Solution
Remove the jammed paper or slip of paper from the tray, and check if the
SC occurs by turning the main power OFF then ON. If the SC occurs
again, do the following steps. Check if the SC reoccurs by cycling the
power after each step.
1. Check if all connectors in the side LCIT are connected securely.
Reconnect the connectors if they are disconnected, or loose.
2. Check the harness in the side LCIT. Replace the harnesses if it is
disconnected, or damaged.
3. Check if the motor runs, sensors turn OFF/ON, has no overloads,
and is properly driven. Replace the parts if there are any defects.
4. Check if there are any signs of a short circuit. Replace the parts if
there are any defects.
Type Error Name/Error Condition/Major Cause/Solution
B Bypass Tray Size Detection Error
The paper size detected on the bypass tray is different from any of the
pattern of automatic size detection.
• Bypass Length Sensor or Bypass Width Sensor malfunction
• Bypass Length Sensor or Bypass Width Sensor harness
disconnected
1. Replace the Bypass Length Sensor, or Bypass Width Sensor.
2. Replace the harness for Bypass Length Sensor, or Bypass Width
Sensor.
Type Error Name/Error Condition/Major Cause/Solution
C Registration Motor: Lock
C Paper feed Motor: Lock
C Transport Motor: Lock
During motor ON, after checking the motor error notification registers
(err_velo and err_posi) for 500msec, the error state of either register was
detected at least 5 times.