Fujitsu ScanSnap N1800 Operator's Manual page 291

Code
7A040014 Backup file already exists.
7A040015 Backup folder specification is
invalid.
7A040016 Server is busy. Try again
later.
Message
291
Action
A file or folder exists in the backup
folder.
Specify an empty folder.
If a folder which does not exist is
specified, it will be created.
This error message is output in the
following cases. After checking the
error, run the command again.
The backup folder specified in the
parameter for the restore command
does not have write access.
The specified backup folder name
already exists as a file.
The backup file full path is longer
than 128 bytes.
This message appears if the backup/
restore command is executed during
an update call on the Central Admin
Server. Wait until the update call is
finished, and try again.