Where should the metal support bracket be placed while removing the laser scanner assembly?

A.
the metal support bracket should not be removed from its original position

B.
at the bottom of the printing device so the device frame does not become twisted

C.
at the top of the printing device to help secure the laser scanner assembly as the screws are
being removed

D.
at the base of the laser scanner holder so the laser scanner assembly can slide out of the
printing device smoothly