Ricoh M281 Series Service Manual page 285

4.14 DRUM UNIT
4.14.1 DRUM UNIT
1. Remove the development unit. (page 4-88)
2. Remove the right lock lever [A] from the drum unit [B].

Be careful not to lose the right lock lever [A]. The right lock lever is not included in the
drum unit as a service part.
3. Remove the left lock lever [A] from the drum unit [B].
SM 4-91
Drum Unit
D255/D256/M281/M282