Before you can use double-feed detection you must first enable double-feed detection, and then set the detection sensitivity.
- Make sure that the machine is fully reassembled.
 - Connect the machine to the power source and turn it on.
 - Go into the SP mode.
 - Open SP6040-001, and then set it to "1" (On). This enables double-feed detection.
 - Next, open SP6040-008 to adjust double-feed sensitivity.
 - Set an original in the ADF, and then press [Start]. (If you set more than one original, only one will feed.)
 - Touch "EXECUTE" to feed one sheet
- The sensitivity setting for one sheet is written into flash memory.
 - The machine displays the "Completed" message. This tells you the setting was successfully stored.
-or- - If the machine displays the "Failed" message, repeat the procedure.
 
 - Touch "CLOSE".
 - Open SP6040-009 to see the value of the registered setting.
 - Touch "EXECUTE".
 - When you see the "COMPLETE" message, touch "CLOSE".
 - You will see the sensitivity setting displayed below the "EXECUTE" button on the screen.