Scanner Unit - Ricoh Aficio MP2550B Service Manual

Scanner Unit

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
D017/D018/D019/D020 3-4 SM