Canon DADF-Q1, Service Manual

Page: 60 / 156

Chapter 2
2-38
F-2-83
7) The host machine's scanner starts to scan the original as part of printing operation.
At this time, the machine picks up the 2nd original, and executes pre-reversal. (See steps 1 and 2.)
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8) When the host machine's scanner starts to move in reverse, the machine rotates the reversing roller and the transport belt to move the 1st and 2nd originals.
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9) When the 2nd original has moved past the reversal sensor (S1), the machine rotates the transport belt over a specific distance and then stops the movement.
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10) The host machine's scanner starts to scan the original as part of printing operation.
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Pre-registration roller
paper sensor(S2)
Scanning
(printing)
2nd original
1st original
2nd original
Reversal sensor(S1)
2nd original
Scanning
(printing)