Ricoh B121 Service Manual page 244

SERVICE PROGRAM MODE
FIRMWARE UPDATE PROCEDURE FOR BICU
This section (5.1.12) illustrates how to update the firmware of the BICU. To update
the firmware of the MFP machine (the machine with the optional controller box),
see section 5.2.
1. Turn the main switch off.
2. Remove the card cover [A] (1 rivet).
3. Insert the flash memory card [B].
4. Press down the power switch on the
operation panel and hold it, and turn
on the main switch (on the front cover).
5. Select "Execute" [C].
6. Do not touch any key while the
message "Load Status..." is displayed.
This message indicates that the
program is running.
7. Check that the message "End Sum..."
is displayed. This message indicates
that the program has ended normally.
8. Turn off the main switch (on the front
cover).
9. Remove the flash memory card.
10. Install the card cover.
11. Turn the main switch on.
12. Check the operation.
B121 Series/B259 Series
COPY
5.827.001 Program Download
[C]
COPY
5.827.001 Program Download
Load Status:–
COPY(Class3)
5.827.001 Program Download
End Sum:H 0.20 EXP
5-84
[B]
[A]
B121S901.WMF
Execute
B121S902.WMF
Execute
B121S903.WMF
B121S904.WMF
SM