Optical Section; Scanner Unit - Kyocera ECOSYS FS-1020MFP 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) Scanner unit

The image in an original document is scanned using a CIS image sensor.
When the document processor (DP) is used for scanning, the CIS unit is parked at the DP reading position
and in synchro with the timing of feeding the original document, the DP continuously performs scanning over
the subscan direction of the document.
4
7
6
MPWB
YC8
SCMOT1A, SCMOT2B
SCMOT1B, SCMOT2A
YC18-1,2,3,4
HPSW
YC6-6
YC21-15
*1: 3 in1 25/26 ppm model/ 4 in1 20/21,25/26 ppm mode
*2: 3 in1 20/21 ppm model
3
5
1. ISU top frame
2. ISU bottom frame
3. Contact glass
4. Size indicator plate
2
Figure 2-1-8
5. ISU belt
6. ISU motor (ISUM)
7. CIS sensor (CIS)
Contact glass
Scanner unit
ISUM
Figure 2-1-9
2-1-6
2M4/2M5/2M6/2M7-1
Original
CIS
HPS
OPWB
1