Toshiba e-STUDIO520 Service Handbook page 543

[C] Display during the update(When the FROM basic section software version to be updated is "V1.03
/ 8.30" or earlier)
Update is performed in parallel as shown in the transition diagram below.
［System ROM］
0. OS Update
1. UI Data Update
2. 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.
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Item Selection Screen for Update
［Laser ROM］
3. LSR Firmware Update
［PFC ROM］
4. PFC Firmware Update
［Engine ROM］
5. Engine Firmware Update
Update Completed
Fig. 6-20
6 - 19
06/09
［Scanner ROM］
6. Scanner Firmware Update
e-STUDIO520/523/600/603/720/723/850/853
FIRMWARE UPDATING
6