Canon F-1, Service Manual

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Technology > Controls > DADF > Original Feed Assembly
Technology > Controls > DADF > Original Feed Assembly
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Original Feed Assembly
● Overview
This equipment is a 1-path 2-sided model and does not perform reversing operation.
Refer to the following for the movement of original when it is being fed.
[Reference] Technology explanation > Basic Configuration > Overview of Operation Mode >
Overview
● Original Feed Control
a. Registration arch
Registration arch is created at registration roller area.
RESI_AD
PCB3
Original
DADF driver PCB
F-2-90
b. Temporary stop position
At the time of 1-sided mode with mix of same configuration, feeding is once stopped where
paper is at downstream from the lead roller 1 while at upstream from the scanning position of
the front side. Feeding of preceding original is also stopped when the 2nd sheet or later is fed
because the drive of the read motor (M4) is stopped.
M4
2nd original
1st original
LEAD_AD
DADF driver PCB
PCB4
F-2-91