Canon DADF-M1 Service Manual - page 43
Chapter 2
2-21
F-2-21
B. Mix of Different Configurations, Extra-Length
The machine measures the length of time (distance) from when the read sensor goes on to when it goes off; it then uses the result of the detection (length) and the
result of detection made on the original tray to identify the size of the original.
F-2-22
The following is a list of the default sizes that are recognized in relation to different printing modes:
a. Normal Mode
Inch-Configuration
T-2-6
Width (volume; mm)
A4R/INCH
sensor
Post-separation
sensor
LGL sensor
Detection size (AB)
width>289
ON
OFF
A3
A4
289>/= width>269
ON
OFF
A3
A4
269>/= width>247
ON
OFF
B4
B5
247>/= width>200
ON
OFF
A4R
A5
200>/= width>172
ON
OFF
B5R
B6
[1]
A4R
A4R
Trailing edge of the original
(small size)
Trailing edge of the original
(large size)
Read standing
by position
M2