(2) Optical section
The optical section consists of the image scanner section for scanning the original and the laser scanner
section to write the image.
(2-1) Image scanner unit
The original image is exposed by the exposure lamp (LED) and the reflection light is scanned by the CIS
image sensor and converted to the electric signal.
When using the document processor, the image scanner unit stops at the original scanning position (slit
glass) and scans the image from the original conveyed in the document processor.
Components parts
1. CIS
2. Scanner carriage
3. Slit glass
4. Contact glass
5. ISU top flame
6. Scanner drive gear
7. Scanner drive belt
8. ISU bottom flame
3
5
6
6
1
3
2S0/2S1/2S2/2S3/2S4/2S5/2SG/2SH/3RA
3
1
2
Figure 3-23
2
7
8
4
Figure 3-24
3-24
4
7
8
5