Ricoh FT6645 Manual page 248

23 April 1993
[A]
2. Round the front scanner drive wire on the front pulley as shown:
1) Align the cut out [A] on the edge of the front drive pulley and the red
mark [B] on the wire.
2) Round the wire clockwise 5 times as shown (in the illustration, the
Allen screw holes are at the rear side) then set the bead [C] on the
wire in the hole [D] on the pulley.
(In this condition, the bead just reaches to the hole on the pulley.)
3) After setting the small ball in the hole, round the wire twice more (in
total 7 times).
4) Fix the wire with tape [E] as shown.
[C]
[B]
[D]
5-23
OPTICS
[E]