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If the TPM setting is activated and the TPM chip fails, you cannot recover the confidential information since each type of confidential information is uniquely encrypted with the TPM key. Thus, immediately backup when the TPM setting is activated.

For backing up, use the commercially available USB memory.

• For security reasons, you can only backup the TPM key once. Store the USB memory with the backup data in a safe place. Also, write down the password set when backing up and keep it in a safe place.

• For the backup of the TPM key, it is recommended that you use a USB memory with free space of 10 MB or more.

• You cannot back up the TPM key for the following cases:

• USB memory is write protected
• USB memory is not connected
• More than one USB memory is connected
• Not enough free space in the connected USB memory
• TPM key does not exist on the machine

1. Press (Settings/Registration) → [Management Settings] → [Data Management] → [TPM Settings].

2. Press [Back Up TPM Key].

3. Press [Password] → enter a password that is 4 to 12 characters long → press [OK].

4. In the Confirm screen, enter the same password to confirm the password → press [OK] → [OK].

5. Connect the USB memory to the machine → press [OK].

If the error screen is displayed, follow the instructions on the screen and backup again.

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