Image Scanner Section - Kyocera TASKalfa 3050ci Service Manual

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 exposure lamp (EL) 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)
4 3
5 1
Figure 2-1-12 Image scanner section
2-1-12
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)
2LK/2LN/2LM/2LC
15
8 10