Ricoh A318 Service Manual page 29

INSTALLATION PROCEDURE (for Machine Code: A110/A111)
[B]
6. Secure the DF mounting bracket [A] (4 screws [12]).
7. Adjust the height of the DF mounting bracket in the following order:
1) Set the E plate [B] on the exposure glass as shown and measure the
clearance "a" between the DF mounting bracket and E plate using a
scale.
2) Remove the DF mounting bracket and insert the spacers [C] in order
that the clearance "a" is between 0 mm and 0.3 mm.
8. Remove the strip of tape [D].
[A]
"a"
28
[C]
1 May 1993
[C]
[D]