Canon F1 Service Manual page 62

2
Technology > Controls > DADF > Original Pickup Assembly
■ Original Pickup Assembly
● Original Pickup/Separation Control
Pickup operation is performed by the pickup roller, the separation roller and the feed roller 1.
Pickup motor (M1) drives the pickup roller, the separation roller and the feed roller 1.
When the top surface of the original stack is lowered while the original is fed, the original
pickup tray is moved up to keep the constant height of pickup position.
[Reference] Technology > Controls > Original Pickup Tray Assembly > Original Pickup Tray
Lifter Control
Error of pickup operation is detected by the post-separation sensor 3. If an original cannot be
detected at the specified timing, a jam is notified.
DADF driver PCB
M1
PCB2
2 Technology > Controls > DADF > Original Pickup Assembly
Original
F-2-89
2-49
2-49