Scanner Unit 
SM 4-39 D086/D087 
Replacement 
and 
Adjustment 
  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. 
6.  Do steps 7 through 13 again in the “Reinstalling the Front Scanner Wire” Section.