Epson AcuLaser C9200N Service Manual page 92

EPSON AcuLaser C9200N
TRANSPORT CONTROL
Rotation speed of the Duplex Unit Transport Motor is controlled by the signals
output from the Duplex Control Board.
The following two types of printing methods are available.
Operations in 2-sided printing with a single sheet of paper resident in the
system
1. The first sheet of paper is taken up and fed in from the
Main Body Drawer and the Main Body starts the first print
cycle to produce the print image of the second page of the
original.
2. Immediately before the 1-sided print leaves the Paper Exit
Roller, the direction of rotation of the Paper Exit Roller is
reversed and the 1-sided print is transported toward and
into the Duplex Unit.
3. The 1-sided print moves through the Duplex Unit and is
directly subject to the second print cycle without being
stopped.
OPERATING PRINCIPLES
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Paper Exit Roller
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Operating principle of Option mechanism
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4. The main body carries out the second print cycle to
produce the print image of the first page of the original on
the other side of the 1-sided print.
5. The paper of 2-sided print is exited.
Operations in 2-sided printing with more than two papers
1. The first sheet of paper is taken up and fed in from the
Main Body Drawer and the Main Body starts the first print
cycle to produce the print image of the second page of the
2
original.
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2. Immediately before the first 1-sided print leaves the Paper
Exit Roller, the direction of rotation of the Paper Exit
Roller is reversed and the first 1-sided print is transported
toward and into the Duplex Unit.
3. At the same time, the second sheet of paper is taken up and
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fed into the main body.
4. The Main Body carries out the first print cycle for the
2
second sheet of paper to produce the print image of the
fourth page of the original.
5. At the same time, the first 1-sided print is transported
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through the Duplex Unit.
Revision D
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Paper Exit Roller
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