Toshiba e-STUDIO281c Service Handbook page 608

[C] Display during the update (When the FROM basic section software version of the equip-
ment is "V1.00 / 8.22" or earlier)
Update is performed in parallel as shown in the transition diagram below.
[System ROM]
0. OS Update
2. UI Data Update
3. System
Firmware Update
Below is an example of the changes of the LCD screen during update.
Note that the screen order may be different from the actual one, because a parallel update is performed
in the process.
Turn ON the power while [4] button and [9] button are pressed simultaneously
e-STUDIO281c/351c/451c
FIRMWARE UPDATING
Item Selection Screen for Update
[Master data] [Engine ROM]
1. HDD Update
Firmware Update
Update Completed
The initial screen is displayed and the recogni-
tion of the USB storage device connected to
the equipment is started.
When the device is recognized properly, the
screen for selecting update items is displayed.
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[scanner ROM]
4. Engine 5. Scanner
Firmware Update