Ricoh IM C300

SC2xx: Exposure
SM 6-17 D0CA/D0C9/D0C8/D0CB
Troubleshooting
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
SC220-01 D Laser Synchronizing Detection Error: Start Position LD1: K/C
SC220-03 D Laser Synchronizing Detection Error: Start Position LD1: M/Y
Synchronizing detection signal cannot be received.
This SC is detected when:
• The machine starts up.
• The machine is copying.
• Defective Laser unit (Synchronizing mechanism or LDB failure)
• BiCU failure (Damaged laser ASIC)
• Disconnected LDB harness
1. Cycle the power off/on.
2. Check for condensation on the LDB.
3. Check the harness between LDB (Synchronizing mechanism) and BiCU
(PCB1).
4. Replace the Laser unit.
5. Replace the BiCU (PCB1).
6. Replace the harness between LDB and BiCU (PCB1).
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
SC230-01 D FGATE ON Error: K
SC230-02 D FGATE ON Error: C
SC230-03 D FGATE ON Error: M
SC230-04 D FGATE ON Error: Y
FGATE signal cannot be received even when the laser is ready to emit.
This SC is detected when the machine is copying.
• Connection error between BiCU (PCB1) and Controller
• BiCU failure (Damaged laser ASIC)
1. Cycle the power OFF/ON.
2. Check the connection between BiCU (PCB1) and Controller Board
(PCB24).
3. Replace the BiCU (PCB1).