Optional Counter Interface Unit Type M12 (B870-21) (MP 501/601 Only)
D255/D256/M281/M282 2-40 SM
Be careful not to damage the hooks on the inside of the controller cover when you
remove or install the controller cover.
4. Insert a flathead screwdriver in the order of , , and to release the three hooks
of the rear left stay [A].
5. Remove the rear left stay [A].
Be careful not to damage the hooks on the inside of the rear left stay when you
remove or install the rear left stay.