Basic Sequence Of Operations; Basic Sequence Of Operations At Power-On - Canon Image Reader-A1 iR5000i Service Manual

3. Basic Sequence of Operations

3.1 Basic Sequence of Operations at Power-On

Scanner HP sensor (PS39)
Scanning lamp (LA2)
Scanner motor (M3)
*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.
3.2 Basic Sequence of Operations in Book Mode
Scanner HP sensor (PS39)
Scanning lamp (LA2)
Scanner motor (M3)
*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.
Name of period
SREADY(scanner ready)
SCFW(scanner forward)
SCRV(scanner reverse)
STBY(standby)
COPYRIGHT © 2001 CANON INC.
Power switch ON
SREADY
*1
Forward
Reverse
F01-301-01
Start key ON
SREADY
*1
Forward Reverse
F01-302-01
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.
T01-302-01
2000 2000 2000 2000 CANON iR5000i/iR6000i REV.0 JUNE 2001
CHAPTER 1 BASIC OPERATION
*2
SCFW
SCRV
*2
Start position Start position
Description
STBY
STBY
1-3 R