2) Remove two screws [1] on front side of the printer and four screws [2] on the rear side, and then remove upper rear cover [3].
Note on installing the upper rear cover
1) Fit four rear-panel screws [1] into screw holes on the right side.
l) Upper cover
Removing the upper cover
1) To remove the upper cover, remove left/ right circle covers (L), left/ right circle covers (S), left/ right side covers , upper left/upper right covers, rear cover left/
right , right cover unit and upper rear cover.
2) Remove upper cover [2] while opening left/right arm stays [1] outward one by one.