3–26OPERATIONS AND TIMINGCOPYRIGHT © 1998 CANON INC. CANON NP6621 REV.0 FEB. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON)3. Original Size DetectionThe size of an original is identified with reference to the presence/absence of an original at each sensorbased on the sensor output combinations given in Table 3-102.• Level Does Not ChangeThe sensor output when the copyboard cover is closed to from 15° to 30° and the sensor output 15 secthereafter are the same (detecting an original).• Level ChangesThe sensor output when the copyboard cover is closed to from 15° to 30° and the sensor output whenthe copyboard cover is fully closed are different (not detecting an original).Table 3-102 (A configuration original)SizeA3A4RA4A5Sensor levelDoes not change Does not change1 2Changes Does not changeDoes not change ChangesChanges Changes
