Ricoh DD 4450 Service Manual page 102

Scanner Unit
The two green marks [C] come together when you do this. Attach the wire to the

pulley with tape. This lets you easily handle the assembly at the time of installation.
4. Install the drive pulley on the shaft.
Do not attach the pulley on the shaft with the screw at this time.

5. Install the wire.
The winding of the wire on the three pulleys at the rear of the scanner should be the

same as the winding on the three pulleys at the front. This must show as a mirror
image.
Example: At the front of the machine, the side of the drive pulley with the three windings must face
the front of the machine. At the rear of the machine, it must face the rear.
Do steps 7 through 13 from the "Reinstalling the Front Scanner Wire"(
Wire")
When removing the rear scanner wire, removing the timing pulley [A] is required before

moving the shaft ( × 1).
C279 4-30
p.4-25 "Front Scanner
SM