Be careful not to trap your hand or fingers when opening or closing the scanner unit. Otherwise you may be injured.
Never touch the buttons on the control panel while your hand is inside the printer. If the printer starts operating, it could cause an injury. Be careful not to touch the protruding parts to avoid injury.
Open the scanner unit with the document cover closed.
Remove the jammed paper.
Do not touch the white flat cable or translucent film inside the printer. Doing so may cause a malfunction.
Close the scanner unit.