Ricoh IM C300

SC5xx: Paper Feed and Fusing
SM 6-35 D0CA/D0C9/D0C8/D0CB
Troubleshooting
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
SC501-02
(IM C400
only)
B 1st Paper Tray Descent Error
1st Tray Lift Motor (M15) descent error was detected for 5 times
consecutively.
• Loose, disconnected or damaged Tray Lift Sensor (S35) connector
• Incorrect/disconnected or damaged Tray Lift Motor (M15) connector
• An obstruction such as jammed paper scraps blocks the motor
operation
• Paper set incorrectly
• Paper overload
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. Remove the obstruction and load paper again.
2. Check the harness of the Tray Lift Sensor (S35) or Tray Lift Motor
(M15), and reconnect/clean it.
3. Replace the harness of the Tray Lift Sensor (S35) or Tray Lift Motor
(M15).
4. Replace the paper feed unit, or paper tray.
5. Replace the BiCU (PCB1).
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
SC502-00 B Optional PFU 1 Paper Tray Lift Motor (M2) Error (2nd Tray)
SC503-00 B Optional PFU 2 Paper Tray Lift Motor (M2) Error (3rd Tray)
SC504-00 B Optional PFU 3 Paper Tray Lift Motor (M2) Error (4th Tray)
When the tray is lifted up, the Tray Lift Motor (M2) error, or Sensor error is
detected.
• PFU Tray Lift Motor (M2) disconnection or loose harness
• PFU Tray Bottom Plate lift Sensor (S4) disconnection or loose harness
• PFU Tray Bottom Plate HP Sensor (S5) disconnection or loose harness
• Other defective mechanical parts
Do the following steps. Cycle the power OFF/ON after doing each step to
check if the SC occurs.
1. Reconnect the connector of the PFU Tray Bottom Plate HP Sensor (S4).
2. Reconnect the connector of the PFU Tray Bottom Plate lift Sensor (S5).
3. Replace the lift lever encoder, gear encoder for tray lift unit, and the
tension spring for paper feed.