# Restoring Firmware to an Earlier Version

The listing area shows whether each device selected has its latest firmware installed or not. You can restore the firmware to the earlier version immediately before the current version. This should be used if an issue occurs after updating the firmware to the latest version.

To restore firmware to the previous version, download the restoration file to a PC running this tool, and then upload it to the target device.

### How to Restore Firmware to the Previous Version

In the listing area, select the device where the firmware restoration is to be performed.

On the [Device Operation] menu, click [FirmwareVersionDown].

The screen for firmware restoration appears.

Click [Execute].

The following operations are performed:

- Downloading the earlier version that was released immediately before the current version to the PC running this tool

- Uploading the downloaded firmware to a device

- Firmware restoration may take a long time to complete.

- If firmware or application restoration is in progress, the device being restored cannot be used.

- If firmware has only one version released, the firmware cannot be restored.

- When [Administrator Settings] is clicked on the screen for firmware restoration, the Administrator Settings screen appears. The Administrator Settings screen allows you to choose one of the following options to be performed:

- - Download the earlier version of the firmware that was released immediately before the current version and upload it to the device.

  - Only download the earlier version of the firmware that was released immediately before the current version.

  - Only upload to the device the version of the firmware that was released immediately before the current version.

- If a device is selected and if [Detailed] is clicked on the screen for firmware restoration, detailed information about the device is displayed.

- If [Cancel Processing] is clicked during firmware restoration, the restoration is cancelled. The cancellation may take a long time to complete.

- Depending on the device, firmware restoration might not be performed. Contact your local dealer.