Ricoh A151 Field Service Manual page 152

[A]
[B]
[C]
NOTE: Do steps 4 – 10 before adjusting the transfer corona current,
separation corona current or charge corona wire height:
4. Remove the drum from the drum unit. Cover the drum with paper. (See
Drum Replacement.)
5. Remove the drum holder [A] (2 screws) and the grounding plate [B]
(1 screw).
6. Attach the drum shoe shaft adapter [C] to the drum holder.
7. Attach the drum shaft [D] and drum shoe [E] to the drum unit as shown.
NOTE: Be careful not to injure your hand on the edge of the pick-off
pawls.
8. Reinstall the drum unit with the shaft rear end [F] positioned as shown in
the illustration. Pass the harness [G] down into the development unit
opening.
9. Secure the drum unit (2 screws).
10. Connect the negative harness lead to the copier frame as shown above,
then connect both multimeter leads as shown to the harness leads.
A151/A152
[E]
[D]
5-56
[F]
[G]
FSM