1 single scanning
when scanning a single sheet or several sheets, set the adf / manual feed selector to “manual”.

2 continuous scanning
when scanning normal paper continuously, set the adf / manual feed selector to "2".
when scanning with smooth sided paper or a paper jam occurs with normal paper, set the adf / manual feed selector to "3".
when double feeding occurs frequently or scanning a document with a rough face as in ncr paper, set the adf / manual feed selector to "1".
when a jam occurs at the paper feed component, set the adf / manual feed selector to "4".
1 the adf / manual feed selector must be set in the chosen specific position for this setting to function properly.
2 if double feed alarm beeps frequently, change the adf / manual feed selector.