Sharp MX-2314N Service Manual page 299

(2) Operating procedures
a. Firmware update function
This function is used to revise the firmware by using the USB mem-
ory for the MFP PWB, the SCU PWB, the PCU PWB, the FAX
PWB, and each option.
It is basically same as SIM 49-01, but differs in the following points.
1) The update target ROM is automatically selected.
2) When the power is shut down or an abnormality occurs in a
section other than the boot program for some reasons during
firmware update operation of other method than the CN
update.
If, however, an abnormality occurs in the boot program, this
method cannot be used. On that case, the SD card must be
replaced with a new one having the normal boot program.
When the boot animation is displayed but "Copying is enabled" is
not displayed on the copier basic menu, there is an abnormality in
the main program (SD card).
a-1. Necessary items
1) Insert the SD card to the MFP PWB of the machine.
2) USB memory with the firmware file (SFU) saved in it.
Save the firmware file in the main directory or in a one-level
lower directory.
a-2. Procedures
1) Turn OFF the power, and remove the cabinet and the MFP
PWB cover.
2) Turn ON the DIP SW of the MFP PWB UP DATE. (Tilt it to the
PWB side.)
3) Install the USB memory into the USB port.
USB memory installing position
4) Turn ON the power.
5) Check to confirm that the machine starts booting. (It takes
more than ten seconds to display the menu.)
Update Program Init
Please wait
Version Check
Conf : 00050000
Display when booting is completed
6) Select the firmware update mode.
Select the update mode with [MENU] key and [BACK] key.
Firm Update
From USB Memory
Display of the firmware update mode
7) Press [OK] key.
The firmware file saved in the USB memory is retrieved, and
the file selection menu is displayed.
8) Select the firmware file (SFU).
Select the target firmware file (SFU) with [UP] key and
[DOWN] key.
When [OK] key is pressed with a directory name (the head: ">
D") displayed, the menu goes to the one-stage lower directory.
When [BACK] key is pressed in the lower-stage directory, the
menu returns to the original upper directory.
9) Press [OK] key.
The selected firmware file (SFU) is read. It takes about one
minute.
10) After completion of reading, the firmware update process is
continued.
* The abbreviated name of the firmware which is under
* During the update process, the display may flash instanta-
11) Check the update result.
Use [UP] key and [DOWN] key to display the results of all the
firmware programs.
Firm Update
Result : OK
OK: Update is completed successfully.
NG: Update is failed.
Not Update: Update is not executed.
12) Turn OFF the power.
13) Turn OFF the DIP SW of the MFP PWB UP DATE. (Set the
DIP-SW to the normal mode.)
14) Turn ON the power, and check to confirm that the machine
boots up normally.
Check to confirm that the boot animation is displayed.
Check to confirm that "Copying is enabled" is displayed on the
copier basic menu.
15) Check to confirm the version of each firmware with SIM22-5.
16) Attach the MFP PWB cover and the cabinet.
MX-3114N FIRMWARE UPDATE 8 – 5
Firm Update
> F 0100P000.sfu
Display of file selection
Firm Update
Reading Data
Display of file reading
Firm Update
Writing Data
Display of the firmware update process
update process is indicated on the right upper corner of the
display.
neously. It is a normal operation.
IcuM Firm Update IcuM
Result : Not Update
Display of the firmware update result
IcuM
Firm Update IcuM
Result : NG