Remove the plastic trims from the hinge-side wall.
Remove the wall body cover from the hinge-side wall.
Open the door and lift it slightly.
Remove the 1 mm adjustment piece from the top of the hinge. Remove the
adjustment piece from the other hinge as well.
Insert the removed adjustment piece to the bottom of the hinge. Do this for the
other hinge as well.
Make sure that the door is aligned. If there is still more empty space at the
handle-side upper corner of the door than at the handle-side lower corner, see
Adjust the horizontal alignment of the door.