Ricoh MP 7503SP Field Service Manual page 1411

• One or more of the following boards is defective:
• BICU
• Controller board
• Operation panel control board
• FCU
• Replace BICU
• Replace controller board
• Replace operation panel control board
• Replace FCU
• If replacing the controller board fails to solve the problem replace the
SC855-01 B
SC855-02 B
HDD and memory board. (Firmware update must be done if the HDD is
replaced.)
Wireless LAN board error
Wireless LAN board error (wireless LAN card: 802.11 is covered)
• Defective wireless LAN board
• Loose connection
• Cycle the machine off/on.
• Replace wireless LAN board
Wireless LAN board error (initialization failed)
Wireless LAN board error (wireless LAN card: 802.11 is covered)
• Defective wireless LAN board
• Loose connection
• Cycle the machine off/on.
• Replace wireless LAN board
SC800: Overall System
CTL
CTL
1409