Ricoh D017 Service Manual page 106

Punch Unit (B807)
16. Install the punch drive motor [S] on the rear frame ( x 2).
17. Connect the drive motor harness [T] to the harness from the punch unit ( x 1).
18. Connect the home position sensor harness from the punch unit to the home position
sensor [U].
19. Install the sub-scan registration sensor unit [V] from the rear side ( x 2).
20. Route and connect the harnesses as shown ( x 2).
SM 2-60 D017/D018/D019/D020/D084/D085