Canon Authorized Sen for ImageRUNNER Machines Version 4.1 - Manual (Page 104)

104 Authorized Send Installation and Configuration Guide for imageRUNNER Machines
If you want to specify your home directory as a preselected share that will
automatically appear in the Preset Share drop-down list on the SCAN TO FOLDER
screen, select [Home Directory (if exists)] from the Preselected Share drop-down
list ➞ click [Save].
NOTE
If you do not have a Home Directory, or if you do not select [Home Directory (if
exists)] from the Preselected Share drop-down list, no share will appear on the
SCAN TO FOLDER screen.