1. Scanner HP sensor
2. ADF exposure glass
nd
nd
3. 2
scanner (2
carriage)
4. Exposure glass
5. Original width sensor
6. Scanner Lamp
st
st
7. 1
scanner (1
carriage)
8. Original length sensor
9. Lens Block
10. Sensor board unit (SBU)
11. Scanner motor
12. Fusing unit
13. Duplex unit
14. Paper transfer unit
15. Registration roller
16. By-pass feed table
17. Tray 2
18. Tray 1
19. Toner collection bottle
20. Laser optics housing unit
21. PCU (4 colors)
22. Image transfer Belt Cleaning Unit
23. Image Transfer Belt Unit
24. Toner bottles (4 colors)
25. Toner ID sensor
Component Layout
Refer to Section 6.1.1 SM
57
57