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CHAPTER 3 ORIGINAL EXPOSURE SYSTEM
3-4
COPYRIGHT
©
2000 CANON INC. CANON imageRUNNER 600 REV.1 JAN. 2000 PRINTED IN U.S.A.
C. Changing the Reproduction Ratio
1. Changing the Reproduction Ratio in Main Scanning Direction
Part 2>Chapter 2>1.2
Images are processed by a line memory.
2. Changing the Reproduction Ratio in Sub Scanning Direction
Part 2>Chapter 2>1.2
The scanning speed of the No. 1 mirror mount is varied.
Figure 3-105 Relationship between Scanning Speed and Reproduction Ratio
400%200%100%50%
25%/reverse
4000
2000
1000
500
8000
Scanning speed (pps)
The scanner motor speed is varied
in increments of 1% (ratio).