Canon imageRUNNER ADVANCE C5255 Series Service Manual page 961

COPIER > FUNCTION > CLEAR
CA-KEY Deletion of CA certificate and key pair
Lv.2 Details 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. 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
ERDS-DAT Initialization of E-RDS SRAM data
Lv.1 Details 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 COPIER> FUNCTION> INSTALL> E-RDS, RGW-
PORT, RGW-ADR, COM-LOG is cleared.
Use case When clearing the setting values of RGW-PORT, RGW-ADR, and
COM-LOG
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
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Service Mode > COPIER > FUNCTION > CLEAR
8 Service Mode > COPIER > FUNCTION > CLEAR
COPIER > FUNCTION > CLEAR
KEY-CLR Encrypt key clear of HDD Encrypt Board
Lv.2 Details To clear the encryption key of the HDD Encryption Board (Security Kit)
for replacement.
Processing is executed at the time of installation of the Encryption
Board, and a new encryption key is generated.
Use case When replacing the encryption key for the HDD Encryption Board
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 Since all data in the HDD becomes unavailable when executing this
item, be sure to initialize the HDD after turning OFF/ON the main
power switch.
Display/adj/set range At normal termination: OK, At abnormal termination: NG
REG-CLR Clear of image position correction value
Lv.2 Details To clear the correction value when the value which is adjusted by
image position correction control is erratic value for any cause.
When color displacement is not corrected by image position correction
control, clear the correction value once. Then, either turn OFF/ON the
power or execute the quick adjustment in user mode so that image
position correction control is performed again.
If correction error occurs in diagonal direction, use this item in
conjunction with COPIER> FUNCTION> LASER> LD-ADJ-Y, LD-
ADJ-M, LD-ADJ-C.
Use case - When color displacement cannot be corrected by image position
correction control
- When correction error occurs in diagonal direction
Adj/set/operate method Select the item, and then press OK key.
Display/adj/set range None
Related service mode COPIER> FUNCTION> LASER> LD-ADJ-Y, LD-ADJ-M, LD-ADJ-C,
LD-ADJ-K
Related user mode Settings/Registration> Adjustment/Maintenance> Adjust Image
Quality> Auto Adjust Gradation> Quick Adjust
USBM-CLR Initialize USB MEAP priority rgst info
Lv.1 Details 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.
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