6.2 Manual Feed Mechanism and ADF 
Adjustment
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1.  By setting the ADF/manual feed Selector to the Manual position you can separate the Retard 
Roller from the Separation Roller and scan one sheet or several sheets.
2.  By setting the ADF/manual feed Selector to the ADF ADJ. position, the contact force between 
the Retard Roller and the Separation Roller goes up, according to the increment of the ADF 
ADJ. number. (1→2→ 3→4)
Note: 
(1) Normally, when scanning normal paper, set the ADF ADJ. to position 2 or 3.
(2) In case a double-feed problem occurs when scanning rough paper like NCR, set ADF ADJ. 
to 1 position.
(3) When a jam occurs at the paper feed area or if using heavy paper, set the ADF/manual feed 
selector to 4.
❍ The ADF/manual feed selector must be set in the chosen specific position for this 
setting to function properly. 
❍ If double feed alarm beeps frequently, change the ADF/manual feed selector.