Canon imageRUNNER ADVANCE C5255 Series Service Manual page 577

5) Select "BOOTDEV" or "ALL" to click "Start".
6) Click "Execute Format" button.
HDD is formatted.
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Troubleshooting > Version upgrade > Version Upgrade via SST > Formatting HDD
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6 Troubleshooting > Version upgrade > Version Upgrade via SST > Formatting HDD
7) Download the system software in any Download mode (Assist mode recommended). See
the steps to download the system software for details.
CAUTION:
After HDD is formatted, ensure to download the system software. If the system software
is not downloaded, E602 error is triggered at power-on.
CAUTION:
Restarting takes more time after HDD is formatted and the system software is
downloaded (to write the downloaded software).
Down time may be approx. 5 minutes in maximum to proceed the writing process.
Never turn OFF the machine while Starting screen is shown.
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