Canon NP6251 Service Manual page 90

b. Combination of Stream Reading and Normal Scanning (A4, 2 originals, multiple copies)
Originals
1
2
RDF
Scanner
1) Originals are placed.
2 1
5) The 2nd original is stopped where stream
reading has ended.
2
1
9) The 1st original is stopped where stream
reading has ended. The scanner returns
to home position.
COPYRIGHT © 1997 CANON INC. CANON NP6350/NP6251 REV. 0 JULY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
1
2) The Copy Start key is pressed. The 2nd original
is picked up. The scanner moves to the center
of the copyboard, and is locked in place by the
scanner locking solenoid.
2 1
6) The scanner executes normal scanning to
illuminate the remaining number of copies.
2
1
10) The scanner executes normal scanning to
illuminate the remaining number of originals.
2
3) The RDF sends the image leading edge signal
to the copier when the leading edge of the 2nd
original moves right next to the scanner.
In response, the copier turns on the registration
clutch so that the original and the copy paper
are matched. The 1st original is picked up.
2 1
7) The scanner moves to the center of the copy-
board, and is held in place by the scanner
locking solenoid.
1
2
11) The 1st original is delivered.
Figure 3-307
2 1
4) The 2nd original is illuminated while it is moved
over the scanner.
1
8) When the RDF has sent the image leading edge
signal for the 1st original, the 1st original is
moved over the scanner and illuminated.
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