Ricoh SP 8400DN Field Service Manual page 1065

1.
Remove the development unit.
2. Remove the bearing (front) [A]. (E-ring x1)
3.
Pull the shaft toward the blue arrow shown below, then remove the pin [A] and the gear [B].
4.
Remove the gear [A]. ( x1)
5.
Remove the bearing (rear) [A].
(PCU/Development Unit)
4.Replacement and Adjustment
327