Others; Deletion (Erase); List Of Error Messages - Canon imageCLASS LBP6780dn Service Manual

5
Troubleshooting > Backup/Restoration by Expansion ROM for servicing and Sublog Board > Others > List of Error Messages

Others

■ Deletion (Erase)

When the data is not imported although it was exported, it needs to be deleted to prevent
leakage of information.
1) Install the Sublog Board (containing data to be deleted) attached with the Expansion ROM
to the Main Controller PCB.
2) Turn ON the power and select [NVRAM erase], and then delete the information stored in
the Sublog Board.
Sublog erase
3) The following message is displayed in the case of successful completion.
Sublog erase complete
4) Turn OFF the power and remove the Sublog Board.
5 Troubleshooting > Backup/Restoration by Expansion ROM for servicing and Sublog Board > Others > List of Error Messages
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■ List of Error Messages

The following messages are displayed when certain failures occur during operation.
List of Messages
Sublog board not found Sublog Board is not installed.
NVRAM read error Export cannot be executed because the faulty Main Controller PCB is too
damaged to retrieve information.
Sublog R/W error When the same data cannot be read 3 consecutive times due to Sublog
Board error, the error message is displayed and the operation is stopped.
NVRAM write error When information cannot be written to an unused Main Controller PCB
for some reasons, the error message is displayed and the operation is
stopped.
Sublog data not found When the export data is not stored in the Sublog Board (including
checksum check error), import process or erase process cannot be
executed.
Not new board Import cannot be executed since the Main Controller PCB is not unused
or the one to which no serial number has been written.
Different product Data is attempted to be imported to a model different from the one from
which data was exported.
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