Canon Image Reader-A1, Service Manual

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COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON iR5000i/iR6000i REV.0 JUNE 2001
CHAPTER 1 BASIC OPERATION
1-3 R
3. Basic Sequence of Operations
3.1 Basic Sequence of Operations at Power-On
Scanner HP sensor (PS39)
Scanning lamp (LA2)
Scanner motor (M3)
Power switch ON
STBY
SREADY
*1
*2
Reverse Forward
Scanner HP sensor (PS39)
Scanning lamp (LA2)
Scanner motor (M3)
STBY SREADY SCFW SCRV
Start key ON
Start position Start position
*1
*2
Reverse Forward
*1: Shading correction (gain adjustment) is executed 1 sec after the scanning lamp turns on.
*2: Shading correction (CCD original size detection slash level adjustment) is executed 1
secs after the scanning lamp turns on.
F01-301-01
3.2 Basic Sequence of Operations in Book Mode
T01-302-01
*1: Shading correction (gain adjustment and CCD original size detection slash level adjust-
ment) is executed for every job.
*2: Executed only at the end of a scan job.
F01-302-01
Name of period
SREADY(scanner ready)
SCFW(scanner forward)
SCRV(scanner reverse)
STBY(standby)
Description
From when the power switch is turned on to when shading cor-
rection ends.
Or, from when the Start key is turned on to when the scanner
reaches scanner start position.
While the scanner is moving forward to scan the original.
While the scanner is moving in reverse.
From when shading correction ends to when the Start key is
turned on or when the power switch is turned off.