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OPERATIONS AND TIMING
COPYRIGHT
©
1998 CANON INC. CANON NP6621 REV.0 FEB. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON)
3. Original Size Detection
The size of an original is identified with reference to the presence/absence of an original at each sensor
based on the sensor output combinations given in Table 3-102.
• Level Does Not Change
The sensor output when the copyboard cover is closed to from 15° to 30° and the sensor output 15 sec
thereafter are the same (detecting an original).
• Level Changes
The sensor output when the copyboard cover is closed to from 15° to 30° and the sensor output when
the copyboard cover is fully closed are different (not detecting an original).
Table 3-102 (A configuration original)
Size
A3
A4R
A4
A5
Sensor level
Does not change Does not change
12
Changes Does not change
Does not change Changes
Changes Changes