Canon DADF-AV1, Service Manual

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Removal of registration loop of
reverse side of the first document
sheet/Re-pickup/
Release of
the Lower delivery reversal roller
Position to start reading of
reverse side at
the first document sheet
Stop after feeding the first
document sheet to reversal
position
Idle feed of first document
sheet
Removal of idle registration
loop at the first document sheet/
Re-pickup/Release of
the Lower delivery reversal roller
To next
Completion of reading of
reverse side at the first document
sheet/Pressurization of
the Lower delivery reversal roller
2. Technical Explanation
15