Canon imageRUNNER ADVANCE C350 series Service Manual page 84

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Technical Explanation > Main Controller > Security > Security features(encryption key and certificate, password protection)
● Related Error Code
Error Code Error title, description, remedy
E746 TPM PCB error
0031 TPM error
Description Hardware error
Remedy Perform the following in the order while checking whether the error is
cleared.
1. Turn OFF and then ON the main power, and check whether the
error is cleared.
2. After turning OFF the main power, replace the TPM PCB (UN82).
3. If the TPM key was backed up, restore the key.
3-1. Connect the USB memory device which stores the TPM key.
3-2. Execute "Settings/Registration> Log In> Management
Settings> Data Management> TPM Settings> Restore TPM
Key".
[CAUTION] Ask the customer to enter "System Manager ID"
and "Password" when logging in.
3-3. Enter the password set at backup operation.
3-4. When the restoration completion screen is displayed, click
"OK". Remove the USB memory device, and turn OFF and
then ON the main power.
0032 TPM error
Description TPM key mismatch
Remedy Perform the following in the order while checking whether the error is
cleared.
1. Turn OFF and then ON the main power, and check whether the
error is cleared.
2. Format the system.
2-1. Enter download mode using (2+8) startup, and execute [4]:
Clear/Format > [2] Flash Format (Flash format) using SST or
a USB memory device.
2-2. Reinstall the system software using SST or a USB memory
device.
3. Replace the TPM PCB (UN82).
4. If the TPM key was backed up, restore the key.
4-1. Connect the USB memory device which stores the TPM key.
4-2. Execute "Settings/Registration> Log In> Management
Settings> Data Management> TPM Settings> Restore TPM
Key".
[CAUTION] Ask the customer to enter "System Manager ID"
and "Password" when logging in.
4-3. Enter the password set at backup operation.
4-4. When the restoration completion screen is displayed, click
"OK". Remove the USB memory device, and turn OFF and
then ON the main power.
2 Technical Explanation > Main Controller > Security > Security features(encryption key and certificate, password protection)
Error Code Error title, description, remedy
0033 TPM error
Description It was detected that data in TPM was inconsistent
Remedy Perform the following in the order while checking whether the error is
cleared.
1. Turn OFF and then ON the main power, and check whether the
error is cleared.
2. Perform the appropriate remedy according to the status whether
the TPM key was backed up.
a. If the TPM key was backed up, restore the key.
1. Connect the USB memory device which stores the TPM key.
2. Execute "Settings/Registration> Log In> Management
Settings> Data Management> TPM Settings> Restore TPM
Key".
[CAUTION] Ask the customer to enter "System Manager ID"
and "Password" when logging in.
3. Enter the password set at backup operation.
4. When the restoration completion screen is displayed, click
"OK". Remove the USB memory device, and turn OFF and
then ON the main power.
b. If the TPM key was not backed up, format the system.
1. Enter download mode using (2+8) startup, and execute [4]:
Clear/Format > [2] Flash Format (Flash format) using SST or
a USB memory device.
2. Reinstall the system software using SST or a USB memory
device.
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