Canon imagerunner advance 4551i, Service Manual

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COPIER > FUNCTION > CLEAR
CA-KEY 2 Deletion of CA certificate and key pair
Detail *Operation on this item is restricted by the setting of [Restrict Service Representation Access].
To simultaneously delete the CA certificate and key pair which are additionally registered by the
user.
Use Case When a service person replaces/discards the device
Adj/Set/Operate Method 1) Select the item, and then press OK key.
2) Check that OK is displayed.
3) Turn OFF/ON the main power switch.
Caution - Unless this item is executed at the time of replacement/discard of the device, the CA certificate
and key pair which are additionally registered by the user remain in the HDD, which is a problem
in terms of security.
- Do not execute this item carelessly because the CA certificate and key pair which are additionally
registered are deleted when it is executed. If they are deleted mistakenly, they need to be again
registered by the user. If no CA certificate and key pair are additionally registered, the machine
condition becomes the same as the one at the time of factory shipment.
- When NG is displayed in 2), there is a possibility that deletion was not executed. In this case,
surely execute the deletion by initializing the HDD, etc.
Display/Adj/Set Range At normal termination: OK, At abnormal termination: NG
Supplement/Memo - The CA certificate is used in the MEAP application with E-RDS and SSL client connection, and
the key pair is used in the SSL function of IPP, RUI and MEAP.
- When the main power switch is turned OFF/ON, the CA certificate and key pair which were
registered at the time of factory shipment are decompressed from the archive (/BOOTDEV/
KCMNG), and become available in the E-RDS/SSL function.
ERDS-DAT 1 Initialization of E-RDS SRAM data
Detail To initialize the SCM value of the Embedded-RDS stored in the SRAM.
SCM values are ON/OFF of E-RDS, server's port number, server's SOAP URL, and
communication schedule with the server (how often the data is acquired), etc.
The value set by E-RDS, RGW-PORT, RGW-ADR, COM-LOG is cleared.
Use Case
When upgrading the Bootable in the E-RDS environment
Adj/Set/Operate Method
Select the item, and then press OK key.
Caution
The method of using the SRAM in E-RDS differs depending on the Bootable version. Therefore,
unless the SRAM data is cleared at the time of version upgrade, data inconsistency occurs.
Display/Adj/Set Range
At normal termination: OK, At abnormal termination: NG
Related Service Mode COPIER> FUNCTION> INSTALL> E-RDS, RGW-PORT, RGW-ADR, COM-LOG
USBM-CLR 1 Initialize USB MEAP priority rgst info
Detail To initialize the registered ID data retained in the OS field by calling the API provided by the OS.
Use Case When a failure occurs in USB MEAP priority registration
Adj/Set/Operate Method Select the item, and then press OK key.
JV-CACHE 1 Cache clear of JAVA application
Detail *Operation on this item is restricted by the setting of [Restrict Service Representation Access].
To clear the cache information used by JAVA application.
Use Case When initializing the JAVA application
Adj/Set/Operate Method Select the item, and then press OK key.
8. Service Mode
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