When opening and closing the upper unit, make sure to follow the procedure below.
CAUTIONWhen opening and closing the upper unit, make sure not to catch your hand.
Opening the Upper UnitPull and hold the open/close lever, and open the unit smoothly until the upper unit stops.
Closing the Upper UnitSmoothly close the upper unit (1). Further, press ends of the upper unit to verify that it is securely closed. (2) If the upper unit is open, an error is displayed.