Ricoh DD 4450 - Sensor Board Unit (SBU) Replacement; Exposure Lamp Stabilizer Replacement

Scanner Unit
C279 4-22 SM
4.5.5 SENSOR BOARD UNIT (SBU)
1. Exposure glass ( p.4-15 "Exposure Glass")
2. Original length sensor assembly (
× 2, ×2, × 2)
3. Sensor board unit [A] (
× 4, ground screw × 1, × 2)
4.5.6 EXPOSURE LAMP STABILIZER
1. Rear cover ( p.4-10 "Rear Cover")
2. Exposure lamp stabilizer assembly [A] (
× 2, × 2)