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SSS
OPERATIONS AND TIMING Gay
B Basic Construction
1.
Outline of the Electric Circuitry
The ADF's major electrical mechanisms
are controlled by the CPU on the ADF con-
troller PCB.
The CPU on the ADF controller PCB
reads the signals from the sensors and the
copier and generates signals to drive the
motor at such times as programmed
in
advance.
The copying modes selected on the
copier are communicated to the ADF in seri-
al, and the ADF communicates to the copier
the state of feeding originals to the copier in
serial. (It does not use an IC for communica-
tions.)
[Input block]
[Control block]
ADF controller PCB
Figure 3-702
COPYRIGHT © 1995 CANON INC.
CANON NP5O12/NP6O12F /NP6212 REV.1 SEPT, 1995 PRINTED
IN JAPAN {IMPRIME AU JAPON)
[Output block]
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