Canon imageRUNNER ADVANCE C350 series Service Manual page 78

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Technical Explanation > Main Controller > Security > Security features(encryption key and certificate, password protection)
When the TPM setting is OFF, the TPM key is disabled. Thus, the security information is
protected only by the common key.Under this setting, the security information held in this
machine is protected at the level equivalent to the conventional machines.The security
functionality in this setting is configured by the common key and multiple passwords stored
in the Flash.When the TPM setting is set to OFF, the security information is protected by the
common key and multiple passwords stored in Flash. Unlike the case that the TPM setting
is set to ON, the password information stored in the Flash is initialized when the Flash is
replaced or formatted.
TPM Setting for Security Information
The security information can be protected with or without TPM by switching between TPM
settings in Setting / Registration mode.
• When the TPM setting is ONThe security functionality is enabled in 4 levels (TPM key,
public key, common key and password).
• When the TPM setting is OFFThe security functionality is enabled in 2 levels (common key
and password).
2 Technical Explanation > Main Controller > Security > Security features(encryption key and certificate, password protection)
● Preparation before Installing TPM
Before installing TPM, ask the user to back up data.Follow the steps below to back up data.
1) From Remote UI, execute Setting / Registration > Management Setting > Data
Management > Import / Export. The following data types should be backed up.
• Address book (see *1)
• Device settings (transfer settings, address book, frequently-used Send functions) (see
*2)
• Setting / Registration
• Printer settings can be exported
• Favorites stored in the web browser (only when the web browser is enabled) (see *3)
*1 Each of address books can be exported. If the address book is seen as a part of
device settings, this step can be disregarded.
*2 Among settings in the main menu, only "Frequently-used Setting" under "Scan and
Send" can be backed up.
*3 These are available only in the specific models or configurations.
2) Select "Export" from Custom Menu of the Remote UI to back up "Custom Menu Setting
Information".
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