Table of Contents
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1 General Timing Chart
Sequence of Operations (reader unit)
Reader motor
Original scanning
lamp
HP sensor
Scanner unit position
*1: controls by turning on/off the power of the CCD and the circuitry around it for power saving and for
protection against overheating.
F-1-1
Start key
ON
STBY
SREADY
Forward
Reverse
Reverse
Forward
ON
ON
Copyboard
HP (shading position)
shift shading
CCD-LIVE
fixed shading
control*1
white plate dust detection control
shading correction
SCFW
SCRW
Forward
Reverse
Reverse
Image end
cover start
Shift to copyboard
position
CCD-KILL control*1
scan start position
STBY
ON
HP (shading position)
1
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