Ricoh MP 7503SP Field Service Manual page 1329

• Electronic noise
• NVRAM missing, not mounted on BICU
• NVRAM not installed correctly
• NVRAM damaged
• BICU damaged
• Cycle the machine off/on.
• If the error persists, first determine if there is any electronic noise on the
• Remove the rear upper cover and inspect the NVRAM on the BICU.
• Confirm that the NVRAM is installed, undamaged, and installed correctly.
• Make sure that the pins of the NVRAM are seated correctly (not bent out
• Replace NVRAM.
• Replace BICU.
SC669-17 Buffer full error when writing data to NVRAM
An error occurred during communication with the NVRAM on the BICU. Three
attempts to communicate with NVRAM failed.
• Electronic noise
• NVRAM missing, not mounted on BICU
• NVRAM not installed correctly
• NVRAM damaged
• BICU damaged
• Cycle the machine off/on.
• If the error persists, first determine if there is any electronic noise on the
• Remove the rear upper cover and inspect the NVRAM on the BICU.
• Confirm that the NVRAM is installed, undamaged, and installed correctly.
• Make sure that the pins of the NVRAM are seated correctly (not bent out
• Replace NVRAM.
• Replace BICU.
power line or around the machine.
of place).
power line or around the machine.
of place).
SC600: Data Communication
1327