A user prepares a registration destination database, a title and field map
information with respect to a transfer profile. The right of access to the
database by the user is confirmed. A transfer profile is registered in a
transfer profile setting section. Subsequently, an operation button
function setting section of a digital scanner is activated, and a transfer
profile name applied to an operation button is selected. A user name as a
registrant, a format of attachment of a document image, an image format at
a time of document registration are set. A display icon of the operation
button and a button name are input, and the operation button is registered
in an operation button management database.