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CHAPTER 8 ADF
COPYRIGHT
©
1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
8-4
C. Basic Operations
1. Outline
The ADF uses two motors for picking up and delivering originals. The pickup motor (M2) is
used to pick up originals, and the belt motor (M1) is used to move, stop, and deliver originals.
Further, the ADF is equipped with three sensors for monitoring the movement of originals.
The ADF is designed to accommodate one-sided original copying mode only.
Figure 8-104
PI2
PI1
PI3
Belt motor
drive signal
Pickup motor
drive signal
Registration paper detection signal (PDP2)
J5-6
J5-9
J5-3
Pick-up paper detection signal (PDP3)
Delivery paper detection signal (PDP1)
ADF controller PCB
M1
M2
One-way
clutch