Canon DADF-B1 Service Manual page 37

CHAPTER 2 BASIC OPERATION
a. Small-Size (A5, A4, B5, STMT, LTR)
If the original is a small-size original, the
reversal delivery motor (M3) is rotated
clockwise so that the original is moved to the
small-size switch-back position; then, it is
delivered to the delivery tray face down by
rotating the reversal delivery motor
counterclockwise.
1. Starting Delivery
When the copier ends scanning, the
original on the copyboard glass is moved to the
reversal delivery assembly by rotating the feed
motor (M2) clockwise once again.
Figure 2-229
2-24
COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
2. Delivery (clockwise rotation)
When the reversal delivery registration
sensor (SR5) detects the leading edge of an
original (ON), the reversal delivery motor (M3)
rotates clockwise to move the original to the
reversal delivery assembly.
At this time, the reversal delivery motor is
rotated clockwise so that the original is moved
to the path where the flapper is closed.
Figure 2-230
3. Delivery (counterclockwise rotation)
When the reversal delivery registration
sensor (SR5) detects the leading edge of an
original (OFF), the reversal delivery motor
(M3) moves the original over a specific
distance (until the leading edge of the original
reaches the switch-back position), and stops.
Figure 2-231