Canon imagerunner C5180 Service Manual page 181

Chapter 6
Result of measurement
A
no
yes
no
yes
Note:
Changes in the Signal (from ADF open to close)
change: no
other: yes
The machine uses OR combinations for identification.
2. Priority on the Front Sensors
When checking the measurements for main scanning direction, if the absence of an original is indicated at
the rear while the presence of an original is indicated at the front, the machine will give priority to the
indication at the front (i.e., presence of an original).
Point of detection 1
Point of detection 2
Point of detection 3
Point of detection 4
CCD original detection position
6-14
B
no
yes
yes
yes
Point of detection yes/no
1
2
3
4
Result
T-6-5
Result of detection
original absent
original present
original present
original present
Document size
sensor 1
B5
F-6-19
T-6-6
Size identified
yes yes
no yes
yes yes
no no
B5