Changing The Reproduction Ratio In Sub Scanning Direction - Canon iR1600 Service Manual

CHAPTER 3 IMAGE READING/PROCESSING SYSTEM

4.8.2 Changing the Reproduction Ratio in Sub Scanning Direction

The reproduction ratio in sub scanning direction (paper feed direction) is changed by
controlling the speed at which the carriage is moved in book mode or the speed at which
original is moved in ADF mode.
The speed at which the carriage is moved (the original is moved by the ADF) is in-
creased for reduction or decreased for enlargement, thereby changing the width of the
scanning line per pixel.
[1] enlargement
The speed at which the carriage is moved or the original is moved by the ADF is de-
creased in relation to Direct; e.g.,
for 200%, the speed is halved from 100%.
[2] 50% and 99%
The speed at which the carriage is moved or the original is moved by the ADF is in-
creased in relation to Direct; e.g.,
for 50%, the speed is doubled from 100%.
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COPYRIGHT© 2002 CANON INC. 2000 CANON iR1600/iR2000 REV.1 JAN. 2002