Ricoh B121 Service Manual page 151

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