Ricoh SP 311DN Service Manual page 83

Electrical Components
16. Set the machine with the front side facing down, resting on the table.
17. Release the link [A] ( x 1)
18. Duplex transport guide [A] ( x 4 ,bushing x 4, x 1, gear x 1)
19. PSU / HVP unit [A] ( x 4, x 1, x 1)
SM 4-45 M154/M155/M174/M175/A0A7/M287/M0BB