Ricoh M281 Series Service Manual page 261

4.7.10 CONTROLLER COVER
1. Open the rear upper cover [A].
2. Release the hook by opening the right side of the cover, and then remove the cover [A]
by rotating it in the direction of the blue arrow.

Be careful not to damage the hooks on the inside of the controller cover when you
remove or install the controller cover.
SM
Exterior Covers (SP 5300/5310)
4-67 D255/D256/M281/M282