Ricoh M281 Series Service Manual page 263

5. 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.
6. Remove the ground screw and disconnect the connector.
SM
Operation Panel (MP 501/601)
4-69 D255/D256/M281/M282