Ricoh FW780 Service Manual page 141

[A]
[B]
[A]
[D]
[C]
6. Remove the 4 shoulder screws [A] and 2 screws [B] fixing the development
unit.
7. Disconnect the 14p connector [C] and remove it out of the cutout [D].
8. Remove the development unit [E].
CAUTION: Do not loosen the painted screws [F] which determine the
development doctor blade height and do not push the doctor
blade [G] too strongly, otherwise the doctor gap may change.
SM
[E]
5-7
[A]
[B]
[A]
[F]
[F]
[G]
A163