Canon Image Reader-A1 iR5000i Service Manual page 143

AB-Configuration
Point of CCD detection
Originals
1 2
size
A3
B4
A4R
A4
B5
B5R
None
4.4.2 Book Mode, 1 Original, Copyboard Cover Close
Xenon lamp
Copyboard cover
Reader unit
(external light)
(external light)
COPYRIGHT © 2001 CANON INC.
Original
3 4
sensor
Original sensor
Point of original detection 1
Point of original detection 2
Point of original detection 3
Point of original detection 4
Copyboard glass
Point of original detection
Original (A4R)
2000 2000 2000 2000
CHAPTER 2 ORIGINAL EXPOSURE SYSTEM
Inch-Configuration
Originals Point of CCD detection
size
11"×17"
LGL
LTRR
LTR
None
: reflection present
T02-404-01
[1] The scanner remains in wait.
No. 1 mirror base: HP
Xenon lamp: off
Original sensor: disabled
[2] The copyboard cover is opened.
Detection starts of external light in main
scanning direction.
No. 1 mirror base: to point of original de-
tection
Xenon lamp: off
Original sensor: disabled
[3] An original is set.
The width of an original is identified in
terms of the presence or absence of exter-
nal light; here, the external light is blocked
and the absence of an original is identified,
excluding B5, B4, A4, and A3.
CANON iR5000i/iR6000i REV.0 JUNE 2001
Originals
1 2
sensor
: reflection absent
2-13 R