Canon PC300 Service Manual page 68

OPERATIONS AND TIMING
3. Pick-Up Delay Jam (PC320/325/FC220)
The copy paper does not reach the pick-up sensor within a specific period of time.
Power switch ON
C Sequence ISTBY|
Copyboard
i Main motor
Mi
2 Copyboard posi-
tion sensor (Q902)
COPY
CBFW || CBRV][ _ CBFW
4 Pick-up sensor
(Q131)
Delivery sensor]
(Q801)}
6|Jam check
Figure 3-36