Remove the following covers.
Scanner front cover (Scanner Front Cover)
Right lower cover (Right Lower Cover)
Disconnect the USB cable [A].
Release the USB cable [A] from the harness guides.
Release the two hooks from the operation panel arm upper cover [A].
Insert a flathead screwdriver into [A] to release the hook, and then remove the operation panel arm upper cover [B].
Be careful not to damage the hooks on the operation panel arm upper cover when you remove or install the operation panel arm upper cover.
Remove the ground screw and disconnect the connector.
Pull out the USB cable [A].
Remove the operation panel [A] from the mainframe.
Remove the rear center cover [A].
Remove the rear right cover [A] and rear left cover [B].
Remove the right hinge cover [A] and left hinge cover (lower) [B].
Remove the left hinge cover (upper) [A] and left hinge cover (left) [B]. (hook×2)
Remove the right hinge [A] and left hinge [B].
Remove the USB cable [A] and ground cable [B].