Backup Procedure (Export); Restoration Procedure (Import) - Canon LBP6670dn Series Service Manual

5
Trouble Shooting > Backup/Restoration by Expansion ROM for servicing and Sublog Board > Backup and Restoration (Export and Import) > Restoration Procedure (Import)

■ Backup Procedure (Export)

1) The menu is displayed when turning ON the power while the Sublog Board attached with
the Expansion ROM for servicing is installed.
NVRAM export
2) Use the right and left arrow keys to select [NVRAM export].
3) Press the down arrow key. This operation causes the information stored in the machine to
be exported to the Sublog Board.
4) The following message is displayed when backup is completed successfully.
NVRAM export complete
5) Turn OFF the power, and remove the faulty Main Controller PCB and the Sublog Board to
which data was exported.
CAUTION:
Install the Sublog Board to which data was backed up (exported) and Expansion ROM
PCB to an unused Main Controller PCB which has not been installed to the machine.
Data cannot be migrated to a Main Controller PCB which has ever been used, even if
only once.
5 Trouble Shooting > Backup/Restoration by Expansion ROM for servicing and Sublog Board > Backup and Restoration (Export and Import) > Restoration Procedure (Import)
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■ Restoration Procedure (Import)

1) Install the unused Main Controller PCB which has been installed with the Sublog Board (to
which data was exported) attached with the Expansion ROM to the machine.
2) Turn ON the power and select [NVRAM import] in the menu, and then press the down
arrow key. The information stored in the Sublog Board is written back to the machine.
NVRAM import
CAUTION:
When not replacing with an unused Main Controller PCB, the following message is
displayed and the operation is stopped. In this case, turn OFF the power and replace
with an unused Main Controller PCB.
Not new board
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F-5-69
5-55