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©
1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 3 EXPOSURE SYSTEM
3-1
I. OPERATION OVERVIEW
A. Overview
The image exposure system’s function is to expose the document, and irradiate the
CCD with the reflected light.
The scanning lamp irradiates the document and the light from this is reflected by 4
mirrors, converged by a lens and then transmitted to the CCD. The reflected light in the
CCD is then image processed with a scanning resolution of 400 × 600pdi.
Figure 3-101 is a cross sectioned diagram of the image exposure system, and
Figure 3-102 is an external view diagram.
Figure 3-101
Figure 3-102
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