Ricoh M281 Series Service Manual page 277

3. Pull the flat cable [A] out through the apertures.
4. Remove the flat cable with the bracket [A] by sliding it to the rear while pushing the
hook [B].
5. Pull the red harness [A] out through the apertures, and then release it from the harness
guides.
SM 4-83
Laser Unit (MP 501/601)
D255/D256/M281/M282