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Duplex Option Theory of Operation Mechanical Operations
2-9
II Composition/Operation
Operation 4
• Immediately before the second sheet of paper
exits the feed roller, the rotating direction of
the feed roller changes and the second sheet
of paper is transported into the Duplex
Option.
• The first sheet of paper is fed alongside
again. The second sheet of paper is fed
2
4
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Operation 5
• The image of the first page is printed on the
first sheet of paper as it is fed again.
21
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4
Operation 6
• The image of the third page is printed on the
second sheet of paper as the first sheet of
paper is discharged.
• The third sheet of paper is fed alongside.
2
1
3 4
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Operation 7
• As the second sheet of paper is fed out of the
machine, the image of the sixth page of the
print job is printed on the third sheet of paper.
• Steps 6 through 7 are repeated until all pages
of the job are printed.
6
4
3
2
1
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