Canon imageRUNNER ADVANCE C5045 Series Service Manual page 38

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1. Enable the feature
Setting of "system management encryption number"
Recommend the user (administrator) to set up the system management encryption
number in advance.
Backup of TPM key is performed after selecting "ON" for TPM settings, however,
backup is available only once. Therefore, it is efficient to set the system management
encryption number as a mean to avoid incidents, such as when backup file is obtained
by anyone other than the administrator, etc.
1) Select the following: Management Settings > Data Management > TPM Setting; and
select "ON" for TPM setting.
2) Click "Yes", and then reboot this machine.
Encryption / decoding feature of security information is enabled after rebooting the
machine.
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2. Backup of TPM key
Only the USB memory (supported system file: FAT32) can be used as the device for saving
backup file of TPM key.
Data size of this file is several MB.
Caution:
Be sure to connect only one USB memory, otherwise, a message indicating backup
failure is shown if performing backup while 2 or more USB memories are connected.
MEMO:
The USB memory can save multiple backup files for TPM key.
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1) Connect the USB memory to the main unit.
There are two USB I/F (host): one at the side of the control panel and the other at the
side of main controller PCB 1.
2) Select the following: Management setting > Data management > TPM setting; and
click [Backup TPM key].
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