Olivetti d-Copia 6500MF Plus Service Manual page 739

2-1-4 Optical section
The optical section consists of the image scanner section for scanning and the laser scanner section for print-
ing.
(1) Image scanner section
The original image is illuminated by the LED lamp and scanned by the CCD image sensor in the CCD PWB
(CCDPWB) via the three mirrors and ISU lens, the reflected light being converted to an electrical signal.
The mirror frame A and B travel to scan on the optical rails on the front and rear of the machine to scan from
side to side. The speed of the mirror frame B is half the speed of the mirror frame A.
6 12 13
6 2 14
1. Mirror frame A
2. Mirror frame B
3. LED mount
4. Scanner reflector
5. Mirror A
6. Mirror B
7. ISU lens
8. CCD PWB (CCDPWB)
Y116520-3
4 3
5 1
Figure 2-1-15 Image scanner section
2-1-15
11 9
7
9. ISU cover
10. Scanner wire drum
11. Contact glass
12. Slit glass
13. Original size indicator plate
14. Home position sensor (HPS)
15. Original detection switch
(ODSW)
2N8/2N7
15
8 10
Service Manual