Movement Of Originals - Canon DADF-B1 Service Manual

CHAPTER 2 BASIC OPERATION
F. Movement of Originals
1. Small-Size Originals (continuous feeding, single-sided)
When making single-sided copies of small-size originals, the second original is picked up as soon
as the first original is sent to the copyboard glass.
The original sent to the copyboard glass is scanned, and then moved to the right, while the next
original is sent to the copyboard glass.
1. When the Copy Start key is pressed, the separation motor (M1) rotates counterclockwise for a
limited time, causing the pickup roller to move down and the lifter to move up (in wait for
pickup).
2. The separation motor (M1) stops once, and then starts to rotate clockwise so that the separation
roller and the pickup roller rotate to separate the first original.
The lifter starts to move down, and then the pickup roller starts to move up.
The separation motor stops when the pre-registration sensor (U502) detects the leading edge of
an original (ON).
3) The feed motor (M2) rotates clockwise, and the original is moved to the copyboard glass. When
the pre-registration sensor (U502) detects the trailing edge of an original (OFF), the ADF is in
wait for pickup of the next original.
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COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
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