Canon DADF-R1 Service Manual page 93

5) The machine rotates the transport belt to move the 2nd original. If the read signal arrives from the host
machine before the 2nd original reaches the front position (25 mm + stop distance), the machine does not stop
the original for reading. If the signal does not arrive before the original reaches the front position (25 mm +
stop distance), on the other hand, the machine stops the original in standby position and then rotates the
transport belt for reading of the 2nd original.
6) The machine goes back to step 2. above and repeats the subsequent steps.
B. Sequence of Operation (small-size original)
A4 Single-Sided Originals; Stream Reading
Start key ON
separates 1st
original
Original sensor (S6)
Pickup roller home
position sensor (PI 7)
Pickup roller height
sensor 1/2 (PI 8/9)
Stopper plate
solenoid (SL2)
DOWN
Pickup motor (M3)
Separation motor (M4)
Separation clutch (CL)
Reversal motor (M1)
Belt motor (M2)
Delivery motor (M5)
: motor reversal rotation
2nd original
holds 1st original reads 1st original holds
in standby
2nd original in standby
separates 2nd
separates 3rd original
original
UP
DOWN UP DOWN
does not stop 2nd
original before reading
F-3-52
discharges 1st original
reads 2nd original
holds 3rd original in standby
UP
UP
stops 3rd original
before reading
F-3-53
Chapter 3
discharges 2nd original
discharges 3rd original
reads 3rd original
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