Ricoh G035 Service Manual page 284

SERVICE CALL CONDITIONS
SC602: Communication Error between BICU and HDD Controller
Definition [B]
The BICU cannot communicate with the HDD controller.
Possible Causes
• Poor connection between the BICU board and HDD controller
• HDD controller defective
• BICU board defective
SC621: Communication Error between BICU and Finisher
Definition [B]
The BICU cannot communicate with the finisher properly.
Possible Causes
• Poor connection between the BICU board and the finisher main board
• Finisher main board defective
• BICU board defective
SC623: Communication Error between BICU and Paper Tray Unit
Definition [B]
The BICU cannot communicate with the paper tray unit properly.
Possible Causes
• Poor connection between the BICU board and the paper tray unit main board
• Paper tray unit main board defective
• BICU board defective
SC624: Communication Error between BICU and LCT
Definition [B]
The BICU cannot communicate with the LCT properly.
Possible Causes
• Poor connection between the BICU board and the LCT main board
• LCT main board defective
• BICU board defective
G035 7-14 SM