Ricoh B121 - Page 150

SERVICE CALL CONDITIONS
B121 Series/B259 Series 4-8 SM
No.
Definition
Symptom Possible Cause
Self-diagnostic Error: NVRAM/Optional NVRAM 826 B
The NVRAM or optional NVRAM
returned an error during the self-
diagnostic test.
• Replace the NVRAM on the controller
board
Self-diagnostic Error: RAM 827 B
The resident RAM returned a verify
error during the self-diagnostic test.
• Download controller firmware again
Self-diagnostic Error: ROM 828 B
The resident read-only memory
returned an error during the self-
diagnostic test.
• Controller board defective
• Download controller firmware again
Self-diagnostic Error: Optional RAM 829 C
The optional RAM returned an error
during the self-diagnostic test.
• Replace the optional memory board
• Controller board defective
Self-diagnostic Error: Clock Generator 838 B
A verify error occurred when setting
data was read from the clock generator
via the I2C bus.
• Replace the controller board
Network I/F Abnormal 850 C
NIB interface error.
• NIB defective
• Controller board defective
IEEE 1394 I/F Abnormal 851 C
IEEE1394 interface error.
• IEEE1394 interface board defective
• Controller board defective
IEEE802.11b error - card not detected (power-on) 853 C
Wireless LAN card not detected at
power-on.
• Poor connection
• Defective wireless LAN card
• Defective controller
IEEE802.11b error - card not detected (during operation) 854 C
Wireless LAN card not detected during
operation.
• Poor connection
• Defective wireless LAN card
• Defective controller
IEEE802.11b error 855 C
Wireless LAN card error detected.
• Poor connection
• Defective wireless LAN card
• Defective controller
IEEE802.11b interface board error 856 C
Wireless LAN interface board error
detected.
• Poor connection
• Defective wireless LAN interface
board
USB I/F Error 857 C
USB interface error detected.
• Defective controller
SD card authentication error 866 C
The SD card does not contain a correct
license code.
• Data corruption
SD card access error 1 867 B
After the program saved in the SD card
starts running, the SD card is removed
from the slot.
• SD card removed