Ricoh DD 4450 - Original Length Sensors Replacement

Scanner Unit
SM 4-17 C279
Replacement
and
Adjustment
4.5.2 ORIGINAL LENGTH SENSORS
1. Exposure glass with left scale ( p.4-15 "Exposure Glass")
2. SBU cover [A] (
× 6)
 The three screws [B] do not need to be fully removed. Just loosen them to remove
the SBU cover.
3. Original length sensors [A] (hooks, ×1, × 1 each)