Contact Sensor; Outline Of The Contact Sensor - Canon iR1600 Service Manual

4.2 Contact Sensor

4.2.1 Outline of the Contact Sensor

The machine uses a contact sensor (CS) for original exposure and original reading.
The CS is a single module consisting of the following, and is used to read images in
lines: 2 sets of LEDs (R, G, B); photo conducting medium used to shine the light of the
LEDs across a single image line of an original; rod lens array used to collected reflected
light by the original; CCD array used to detect reflected light. It reads an image line by
line.
Image read line
Rod lens array
COPYRIGHT© 2002 CANON INC.
CHAPTER 3 IMAGE READING/PROCESSING SYSTEM
CCD array
LED(R/G/B)
F03-402-01
2000 CANON iR1600/iR2000 REV.1 JAN. 2002
Copyboard glass
LED(R/G/B)
Photo conducting
medium
(scanning direction)
3-9