Scanner Unit
D017/D018/D019/D020 3-4 SM
3.3 SCANNER UNIT
3.3.1 EXPOSURE GLASS
1. Glass cover [A] (x 4)
2. ARDF exposure glass [B]
3. Rear scale [C] (x 3)
4. Exposure glass with left scale [D]
 Position the white marker [E] at the rear-left corner and the blue marker at the
front-left corner when you reattach the ARDF exposure glass.
3.3.2 ORIGINAL LENGTH/WIDTH SENSORS