Ricoh M281 Series Service Manual page 256

Exterior Covers (SP 5300/5310)
4.7.7 REAR UPPER COVER
1. Remove the following covers.

Left lower cover (page 4-60)

Rear middle cover (page 4-64)
2. Remove the ground screw.
3. Open the transparent film [A]. (hook×2)
4. Disconnect the two connectors, and then release them from the harness guide [A].
D255/D256/M281/M282 4-62 SM