EPSON AcuLaser C9200N Revision D
OPERATING PRINCIPLES      Operating principle of Option mechanism 93
Confidential
6. The Main Body produces the print image of the first page 
of the original on the first 1-sided print that has been fed 
through the Duplex Unit.
7. At the same time, the second sheet of paper is subjected to 
a switchback sequence at the exit section and fed into the 
Duplex Unit.
8. At the same time, the third sheet of paper is taken up and 
fed into the main body.
9. While feeding the first 2-sided print out, main body 
produces the print image of the 6th page of the original on 
the third sheet of paper.
10. The second sheet of paper waits before the Duplex Unit 
Transport Motor 3 until the third sheet of paper switches 
back.
11. 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 for the third 
sheet is transported toward and into the Duplex Unit.
12. At the same time, the second sheet of paper is fed into the 
Main Body.
13. The Main Body carries out the first print cycle for the 
second sheet of paper to produce the print image of the 
third page of the original.
14. At the same time, the first 1-sided print for the third is 
transported through the Duplex Unit.
15. At the same time, the forth sheet of paper is taken up and 
fed into the Main Body.
16. While feeding the second 2-sided print out, the Main Body 
produces the print image of the 8th page of the original on 
the fourth sheet of paper.
17. The third sheet of paper will wait in front of the Duplex 
Unit Transport Roller 3 until the fourth sheet of paper has 
operated switch back sequence.
18. Steps 11 through 17 are repeated.