iv)Remove 2 hooks (No. 1 in the photo below). While pressing the lock pin (No. 2 in the photo below), slide the front cover R toward the machine front, and remove it.
(3)Main case removal
i)Remove the front covers L / R, side covers R1 / R2 / L1 / L2, and scanner unit.
ii)Release 2 bosses, and remove the ASF cover unit.
iii) Remove 4 screws and the main case.