Ricoh M281 Series Service Manual page 302

Paper Exit Unit (SP 5300/5310)
4. Release the harness [A], disconnected in the previous step, from the harness guides.
5. Remove the three screws from the left side of the machine.

The screw [A] is a ground screw and [B] is a big screw. Be careful not to use the
wrong screws when installing the paper exit unit.
6. Remove the bracket [A].
D255/D256/M281/M282 4-108 SM