Ricoh FT6645 Manual page 249

OPTICS
[D]
[C]
[I]
3. Set the front drive pulley [A] on the drive shaft. (Leave the Allen screws
loosened.)
4. Place the scanner drive shaft [B] in the holes on the optics front and rear
side frames.
5. Set ball bearings [C] on both sides of the scanner drive shaft.
6. Set the E-ring [D] on the front end of the scanner drive shaft.
7. Set, and fully push in, the scanner drive pulley [E] on the front end of the
scanner drive shaft, then tighten the Allen screw [F].
8. Install the scanner drive motor. (Refer to Scanner Drive Motor
Replacement.)
9. Place the second scanner [G] on the guide rail and fix it there by using
two jig pins [H].
NOTE: This jig pin is used as the left door hinge pin [I]. However, only
one pin is used on the copier, so it is necessary to prepare
another one.
[A]
[B]
[C]
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23 April 1993
[F]
[E]
[H]
[G]