Ricoh D146 Service Manual page 338

Scanner Unit
10. Scanner drive gear [A] ( ×1)
11. Remove the screw and the clip ring of the wire pulley (front) [A] and wire pulley (rear) [C],
draw out the scanner drive shaft [B] in the direction of the arrow, and remove the wire pulley
(rear) [C] ( ×1,
D146/D147/D148/D149/D150
×2).
4-44 SM