Ricoh B121 - Page 151

SERVICE CALL CONDITIONS
SM 4-9 B121 Series/B259 Series
Trouble-
shooting
No.
Definition
Symptom Possible Cause
SD card access error 2 868 B
Incorrect data is detected in the SD
card.
• SD card defective
• SD controller defective
Address Book Data Error 870 C
Address book data stored on the hard
disk was detected as abnormal when it
was accessed from either the operation
panel or the network.
• Software defective
FCU Flash ROM Error 871 C
The address book written into the flash
ROM mounted on the FCU is detected
as defective.
• Flash ROM device defective
• Replace flash ROM on the MBU
Electrical total counter error 900 B
The electrical total counter does not
work properly.
• NVRAM on the GW controller board
defective
Mechanical total counter 901 B
The mechanical total counter does not
work properly.
• Mechanical total counter defective
• BICU defective
• Disconnected mechanical total
counter
Engine total counter error 903 B
The checksum of the total counter is
not correct.
• NVRAM on the BICU defective
Printer error 920 C
A fatal error is detected in the printer
application program
• Printer application program defective
• Hardware configuration incorrect
(including memory shortage)
Printer font error 921 C
Necessary font files are not found.
• Font file not installed
Net file error 925 C
The net-file management-file contains a
fatal error.
• Data corruption
Memory error 928 B
The machine detects a discrepancy in
the write/read data during its write/read
test (done at power off/on and at
recovery from low power or night/off
mode).
• Memory defective
• BICU defective
• Poor connection between BICU and
memory
IMAC hardware error 929 B
A memory control job is not completed
within a certain period.
• IMAC on the GW controller board
defective
• BICU defective
• Poor connection
Printer application program error 954 B
The printer status does not become
ready when the printer application
program is necessary for image
processing.
• Application program defective
Image transfer error 955 B
The controller is not able to transfer
images when the engine needs them.
• Application program defective