Change the function key to be displayed on the main screen in scan/fax mode of classic style and the send and save settings screens in User Box mode.
Select a function key number, and specify the function to assign.
The following shows the default settings.
[Function Key 1]: [Simplex/Duplex]
[Function Key 2]: [Resolution]
[Function Key 3]: [Color]
[Function Key 4]: [File Format]
[Function Key 5]: [Scan Size]
[Function Key 6]: [File Name/Subject Name/Other]
[Function Key 7]: [Separate Scan]
This option is displayed when a change of function key is permitted in [Function Display Key Permission Setting] (Here).