Fujitsu ScanSnap N1800 Operator's Manual page 179

5. The user data store (containing users A001 to A100) backed up in Step 2 is
restored.
Users A001 to A100 are to be restored, of whom 50 are already in the current
user data store (users A001 to A050) and so will be overwritten. Users A051 to
A100 are considered "new" users and thus need to be added to the user data
store. However, 960 existing users + 50 new users = 1,010 users. As the number
of users would exceed the 1,000 user limit, the data of the 50 users from A051 to
A100 is not restored, and therefore the user data from A001 to A100 is not
overwritten or restored.
The user data store contents are organized as follows:
ATTENTION
User data may contain private information such as e-mail addresses or fax numbers, so care
should be taken when managing such data.
4.15 Managing the User Data Store and System Settings
Common Data (one per scanner)
Individual Data (one set per user)
User A
User B
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Fax Number List Fax Number List
Local Accounts
e-Mail Address Book
Scan Settings
User Log
e-Mail Address Book
Scan Settings
User Log