2M4/2M5/2M6/2M7-1
2-1-6
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.
Figure 2-1-8
Figure 2-1-9
3
1
6
4
7
5
2
1. ISU top frame
2. ISU bottom frame
3. Contact glass
4. Size indicator plate
5. ISU belt
6. ISU motor (ISUM)
7. CIS sensor (CIS)
CIS
MPWB
HPSW
SCMOT1A, SCMOT2B
SCMOT1B, SCMOT2A
HPS
Scanner unit
Original
Contact glass
YC8
YC6-6
YC18-1,2,3,4
ISUM
OPWB
HPSW
*1
YC21-15
*2
*1: 3 in1 25/26 ppm model/ 4 in1 20/21,25/26 ppm mode
*2: 3 in1 20/21 ppm model
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