Canon imageRUNNER ADVANCE C5255 Series Service Manual page 615

3). Confirm if the updated firmware version corresponds to [Controller Version].
Now the firmware is successfully updated in the method.
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Troubleshooting > Version upgrade > Version Upgrade via CDS > Deleting Downloaded Firmware
6 Troubleshooting > Version upgrade > Version Upgrade via CDS > Deleting Downloaded Firmware
■ Deleting Downloaded Firmware
This section describes how to delete the downloaded firmware using Updater.
1. Start [Service Mode] at Level 1.
2. Press [Updater] button.
3. Press [Update Firmware] button.
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