3. Pull up the side cover pawl (upper). Remove the side covers on both sides.
4. Unplug the FFC cable (1) between the Main Board ass'y and the Operation Panel Unit the
Main Case Unit. Pull up two pawls on the reverse side (2). Pull two pawls on the front side
(3). Remove the main case unit by lifting it up.
Fig.Part 1-18 Assembly of Side Cover
Fig.Part 1-19 Location of Main Case Unit Pawl
Part 1 - 79