Ricoh M281 Series - HDD (MP 501;601 ONLY)

Electrical Components
D255/D256/M281/M282 4-156 SM
 When installing, wind the harness [A] around the clamp [B] twice, as shown below.
4. Disconnect the two connectors.
5. Remove the PSU [A] and bracket [B] from the mainframe. (hook×3)