Modifications apportées à l'étape #4
Lignes de l'étape
| [* black] Turn the 4520s over and open it with the screen facing you. | |
| - | [* black] |
| + | [* black] At the top, push the switch cover away from you so that it comes loose from the 4520s. |
| [* black] There are no cords attached to the switch cover. Lift it away from the 4520s and set aside. |