Canon imageRUNNER ADVANCE 6055 Series, Service Manual

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Technology > Main Controller > Controls > Security features (encryption key and certificate, password protection)
Technology > Main Controller > Controls > Security features (encryption key and certificate, password protection)
● Overview of Actions taken against Troubles
Location
with failure
TPM Setting = ON TPM Setting = OFF Relevant Error Code
TPM PCB 1. Check the TPM PCB connection
2. Replace the TPM PCBs
3. Turn OFF/ ON the power
4. See the section of “Restoring TPM
Key” to restore the TPM key.
5. Turn OFF/ ON the main power for
recovery
N/A (TPM PCB is
not in use when the
TPM setting is set to
OFF.)
Initially E746-0031 is
shown on the screen.
When the power is turned
OFF/ON after the TPM
PCB is replaced, E746-
0032 is shown (only when
the TPM setting is set to
ON).
HDD 1.Replace the HDDs.
2.Format the HDD.
3.Download the system software.
4.See the section of “Disabling
Functionality” to execute “Initialize
All Data/ Settings”.
5.Turn OFF/ON the power. The TPM
setting is automatically set to OFF.
6.Set the TPM setting to ON (the
public key and the common key
are automatically set).
1. Replace the
HDDs.
2. Format the HDD.
3. Download the
system software.
4. Restore the
password
information stored
in the HDD.
Initially E602-xxxx is shown
(the different extension is
shown depends on cases).
After the system software
is reinstalled, E746-0033 is
shown.
Main
Controller
PCB 2
(SRAM)
1. Replace the main controller PCB 2.
2. The common key backed up in the
HDD will be automatically restored
in the SRAM.
3. The TPM setting on the control
panel is reset to OFF. Manually
set the TPM setting to ON (the
machine is operated in the TPM
setting ON).
4. Restore the password information
stored in the SRAM (see *1).
1. Replace the main
controller PCB 2.
2. The common
key backed up
in the HDD will
be automatically
restored in the
SRAM.
3. Restore the
password
information stored
in the SRAM (see
*1).
E747-xxxx (the different
extension is shown
depends on cases).
*1 If “No” is indicated in the field of Backup Column in the table of “Security Information
Storage Location”, the relevant information should be set manually again.
T-2-9
● Related Error Code
Error
Code
Error description, Assumed cause, remedy
E746 Error in encryption
0031 Error in hardware
Assumed cause The TPM PCB is not mounted; the TPM PCB for the other machine is
mounted; the TPM chip is crashed.
Remedy Mount the TPM PCB for the machine; replace with the new TPM PCB
0032 Error in engine ID of SoftID
Assumed cause Mismatched data in TPM
Remedy
Format the system.
Format the HDD using SST or USB memory, and download the
system software. For details, see "Chapter 6: Upgrading". For your
reference, the method using USB memory is described below.
1. Prepare the USB memory which system software was registered.
2. Execute the following service mode:
COPIER>FUNCTION>SYSTEM>DOWNLOAD to enter the
download mode.
3. Insert the USB memory to the equipment.
4. Execute [4]: Format HDD in the main menu.
After formatting is completed, the machine reboots automatically
and starts with the download mode.
5. Execute [1]: Upgrade (Auto) in the main menu.
System software is downloaded and the machine restarts
automatically.