Ricoh D025 Service Manual page 211

Do not attach the scanner wire bracket with the screw at this time.
7. Remove the tape from the drive pulley.
8. Insert a scanner-positioning pin [A] through the 2nd carriage hole [B] and the left holes
[C] in the front rail. Insert another scanner positioning pin [D] through the 1st carriage
hole [E] and the right holes in the front rail [F].
9. Insert two more scanner positioning pins through the holes in the rear rail.
10. Screw the drive pulley to the shaft [G].
11. Screw the scanner wire bracket to the front rail [H].
12. Install the scanner wire clamp [I].
13. Pull out the positioning pins.
Make sure the 1st and 2nd carriages move smoothly after you remove the
positioning pins. Do steps 8 through 13 again if they do not.
SM 4-35
Scanner Unit
D023/D025