Ricoh M281 Series Service Manual page 236

Exterior Covers (MP 501/601)
11. Remove the left side cover [A].

These two screws are tapping screws. Be careful not to use the wrong screws when
installing the paper exit tray.
12. Remove the front right cover [A].
13. Remove the two screws from the right side cover [A].
D255/D256/M281/M282 4-42 SM