Canon DADF-R1, Руководство по обслуживанию

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Chapter 3
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C. Large-Size Original
1) The 1st original is picked up, and its lead edge is butted against the registration roller to remove the skew.
(For details of pickup operation, see 'Original Pickup/Separation.')
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2) The machine rotates the registration roller and the transport belt to move the original.
When the trail edge of the 1st original moves past the pre-registration roller sensor (S2), the machine starts
pickup of the 2nd original.
(if the original is 279.4 x 431.8 mm (11x17), after the original starts to move in 4)
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3) When the lead edge of the original has moved past the post-registration roller paper sensor (S3), the machine
rotates the transport belt over a specific distance, and stops the original (standby position).
(At this time, the machine starts to keep track of the distance over which the 1st original moves after it has
moved past the pre-registration roller paper sensor (S2).)
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1st original
Registration roller
2nd original
Separation sensor(S2)
Standby position
Post-registration
roller paper sensor(S3)
Pre-registration roller
paper sensor(S2)